{"id":16909,"date":"2025-08-21T12:00:00","date_gmt":"2025-08-21T09:00:00","guid":{"rendered":"http:\/\/blog.tetrika.school\/?p=16909"},"modified":"2025-08-22T10:08:28","modified_gmt":"2025-08-22T07:08:28","slug":"kvadratichnaya-funkciya","status":"publish","type":"post","link":"http:\/\/blog.tetrika.school\/kvadratichnaya-funkciya\/","title":{"rendered":"\u041a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f: \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b\u00a0"},"content":{"rendered":"\n<p>\u041a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0432\u0430\u0436\u043d\u0435\u0439\u0448\u0438\u0445 \u0442\u0435\u043c \u0432 \u043a\u0443\u0440\u0441\u0435 \u0430\u043b\u0433\u0435\u0431\u0440\u044b 8\u20139-\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432. \u041e\u043d\u0430 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u043f\u043e\u043d\u044f\u0442\u044c, \u043a\u0430\u043a \u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a\u0438, \u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0438 \u0440\u0435\u0448\u0430\u0442\u044c \u0437\u0430\u0434\u0430\u0447\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f\u043c\u0438. \u0413\u0440\u0430\u0444\u0438\u043a \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u043e\u0439 \u0438 \u0438\u043c\u0435\u0435\u0442 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0439: \u043e\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u0442\u0440\u0430\u0435\u043a\u0442\u043e\u0440\u0438\u0438 \u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044f \u0442\u0435\u043b\u0430 \u0434\u043e \u043c\u043e\u0434\u0435\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432.<\/p>\n\n\n\n<p>\u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f, \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \u0438 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u0444\u043e\u0440\u043c\u0430\u043c\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0439 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438.<\/p>\n\n\n\n<ul class=\"post-sidebar__toc-list wp-block-list\">\n<li><a href=\"#\u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435-\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f\">\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f<\/a><\/li>\n\n\n\n<li><a href=\"#\u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435\">\u041f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438<\/a><\/li>\n\n\n\n<li><a href=\"#\u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\">\u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/tetrika-school.ru\/blog\/category\/textbooks\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"261\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-1024x261.png\" alt=\"\u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f\" class=\"wp-image-16866\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-1024x261.png 1024w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-300x77.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-768x196.png 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-1536x392.png 1536w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-2048x523.png 2048w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-800x204.png 800w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-559x143.png 559w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/06\/market-7586_1-1-440x112.png 440w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435-\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f\">\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f<\/h2>\n\n\n\n<p>\ud83d\udcce <strong>\u041a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f<\/strong> \u2014 \u044d\u0442\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u0432\u0438\u0434\u0430 y = ax<strong>\u00b2 <\/strong>+ bx + c , \u0433\u0434\u0435 a = 0, x \u2014 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u0430\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f, y \u2014 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u0430\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f, \u0430 a, b, c \u2014 \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442\u044b.<\/p>\n\n\n\n<p>\u0413\u0440\u0430\u0444\u0438\u043a \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u2014 \u044d\u0442\u043e \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0415\u0441\u043b\u0438 a &gt; 0 , \u0442\u043e \u0432\u0435\u0442\u0432\u0438 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u0432\u0435\u0440\u0445.\n<\/li><li> \u0415\u0441\u043b\u0438 a &lt; 0 , \u0442\u043e \u0432\u0435\u0442\u0432\u0438 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u043d\u0438\u0437.\n<\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/1-6.png\" alt=\"\" class=\"wp-image-17299\" width=\"594\" height=\"387\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/1-6.png 594w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/1-6-300x195.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/1-6-381x248.png 381w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><\/figure>\n\n\n\n<p><strong>\ud83d\udcce<\/strong> <strong>\u0412\u0435\u0440\u0448\u0438\u043d\u0430 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b<\/strong> \u2014 \u044d\u0442\u043e \u0442\u043e\u0447\u043a\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430 \u0434\u043e\u0441\u0442\u0438\u0433\u0430\u0435\u0442 \u0441\u0432\u043e\u0435\u0433\u043e \u043c\u0438\u043d\u0438\u043c\u0443\u043c\u0430 (\u0435\u0441\u043b\u0438 a > 0 ) \u0438\u043b\u0438 \u043c\u0430\u043a\u0441\u0438\u043c\u0443\u043c\u0430 (\u0435\u0441\u043b\u0438 a &lt; 0). \u041a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043d\u0430\u0445\u043e\u0434\u044f\u0442\u0441\u044f \u043f\u043e \u0444\u043e\u0440\u043c\u0443\u043b\u0430\u043c:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/2-5.png\" alt=\"\" class=\"wp-image-17300\" width=\"734\" height=\"312\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/2-5.png 734w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/2-5-300x128.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/2-5-559x238.png 559w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/2-5-440x187.png 440w\" sizes=\"auto, (max-width: 734px) 100vw, 734px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-1024x535.png\" alt=\"\" class=\"wp-image-17301\" width=\"768\" height=\"401\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-1024x535.png 1024w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-300x157.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-768x401.png 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-1536x802.png 1536w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-2048x1070.png 2048w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-800x418.png 800w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-475x248.png 475w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-440x230.png 440w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/3-5-476x248.png 476w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>\ud83d\udcce <strong>\u041e\u0441\u044c \u0441\u0438\u043c\u043c\u0435\u0442\u0440\u0438\u0438 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b<\/strong> \u2014 \u044d\u0442\u043e \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u0430\u044f \u043f\u0440\u044f\u043c\u0430\u044f, \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0449\u0430\u044f \u0447\u0435\u0440\u0435\u0437 \u0432\u0435\u0440\u0448\u0438\u043d\u0443 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b, \u0437\u0430\u0434\u0430\u043d\u043d\u0430\u044f \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435\u043c x = x\u0432.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/4-5-1024x912.png\" alt=\"\" class=\"wp-image-17302\" width=\"768\" height=\"684\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/4-5-1024x912.png 1024w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/4-5-300x267.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/4-5-768x684.png 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/4-5-778x693.png 778w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/4-5-278x248.png 278w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/4-5.png 1108w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>\ud83d\udcce <strong>\u041d\u0443\u043b\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438<\/strong> \u2014 \u044d\u0442\u043e \u0442\u043e\u0447\u043a\u0438 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u043a\u0430 \u0441 \u043e\u0441\u044c\u044e \u0430\u0431\u0441\u0446\u0438\u0441\u0441 (Ox), \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0430\u0445\u043e\u0434\u044f\u0442\u0441\u044f \u043a\u0430\u043a \u043a\u043e\u0440\u043d\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f ax<strong>\u00b2 <\/strong>+ bx + c = 0.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/5-4-1024x984.png\" alt=\"\" class=\"wp-image-17303\" width=\"768\" height=\"738\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/5-4-1024x984.png 1024w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/5-4-300x288.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/5-4-768x738.png 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/5-4-721x693.png 721w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/5-4-258x248.png 258w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/5-4.png 1088w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435\"><strong>\u041f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438<\/strong><\/h2>\n\n\n\n<p>\u0414\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u043a\u0430 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0448\u0430\u0433\u0438 \u2935<\/p>\n\n\n\n<p><em>1. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u0435\u0442\u0432\u0435\u0439 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b:<\/em><\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0415\u0441\u043b\u0438 a &gt; 0 , \u0432\u0435\u0442\u0432\u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u0432\u0435\u0440\u0445.\n<\/li><li> \u0415\u0441\u043b\u0438 a &lt; 0 , \u0432\u0435\u0442\u0432\u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u043d\u0438\u0437.\n<\/li><\/ol>\n\n\n\n<p><em>2. \u041d\u0430\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442 \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b:<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"737\" height=\"312\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/6-4.png\" alt=\"\" class=\"wp-image-17304\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/6-4.png 737w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/6-4-300x127.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/6-4-559x237.png 559w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/6-4-440x186.png 440w\" sizes=\"auto, (max-width: 737px) 100vw, 737px\" \/><\/figure>\n\n\n\n<p><em>3. \u0412\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0435 \u0434\u0438\u0441\u043a\u0440\u0438\u043c\u0438\u043d\u0430\u043d\u0442\u0430 D = b\u00b2 \u2212 4ac:<\/em><\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0415\u0441\u043b\u0438 D &gt; 0 , \u0442\u043e \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430 \u043f\u0435\u0440\u0435\u0441\u0435\u043a\u0430\u0435\u0442 \u043e\u0441\u044c Ox \u0432 \u0434\u0432\u0443\u0445 \u0442\u043e\u0447\u043a\u0430\u0445.\n<\/li><li> \u0415\u0441\u043b\u0438 D = 0 , \u0442\u043e \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430 \u043a\u0430\u0441\u0430\u0435\u0442\u0441\u044f \u043e\u0441\u0438 Ox \u0432 \u043e\u0434\u043d\u043e\u0439 \u0442\u043e\u0447\u043a\u0435.\n<\/li><li> D &lt; 0 , \u0442\u043e \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430 \u043d\u0435 \u043f\u0435\u0440\u0435\u0441\u0435\u043a\u0430\u0435\u0442 \u043e\u0441\u044c Ox.\n<\/li><\/ol>\n\n\n\n<p><em>&nbsp;4. \u041d\u0430\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u0442\u043e\u0447\u0435\u043a \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 \u043e\u0441\u044f\u043c\u0438 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442:<\/em><\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0422\u043e\u0447\u043a\u0430 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 \u043e\u0441\u044c\u044e Oy: y(0) = c.\n<\/li><li> \u0422\u043e\u0447\u043a\u0438 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 \u043e\u0441\u044c\u044e Ox: \u0440\u0435\u0448\u0438\u0442\u0435 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 ax\u00b2 + bx + c = 0.\n<\/li><\/ol>\n\n\n\n<p><em>5. \u041f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0442\u043e\u0447\u0435\u043a.<br><\/em>\u0421\u043e\u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 x.<\/p>\n\n\n\n<p><em>6. \u041f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u0433\u0440\u0430\u0444\u0438\u043a\u0430.<br><\/em>\u041d\u0430\u043d\u0435\u0441\u0438\u0442\u0435 \u0432\u0441\u0435 \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0435 \u0442\u043e\u0447\u043a\u0438 \u043d\u0430 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u043d\u0443\u044e \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u044c \u0438 \u0441\u043e\u0435\u0434\u0438\u043d\u0438\u0442\u0435 \u0438\u0445 \u043f\u043b\u0430\u0432\u043d\u043e\u0439 \u043b\u0438\u043d\u0438\u0435\u0439.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"963\" height=\"633\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/7-5.png\" alt=\"\" class=\"wp-image-17305\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/7-5.png 963w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/7-5-300x197.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/7-5-768x505.png 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/7-5-800x526.png 800w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/7-5-377x248.png 377w\" sizes=\"auto, (max-width: 963px) 100vw, 963px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\"><strong>\u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b&nbsp;<\/strong><\/h2>\n\n\n\n<p>\u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u0432 \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0444\u043e\u0440\u043c\u044b \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0443\u0434\u043e\u0431\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u0442\u0441\u044f \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u0442\u0435\u043c, \u043a\u0430\u043a \u0437\u0430\u0434\u0430\u043d\u0430 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 <strong>\u0423\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438\u043c\u0435\u0435\u0442 \u0432\u0438\u0434 y = ax\u00b2 + bx + c<\/strong><\/h3>\n\n\n\n<p>1. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u0435\u0442\u0432\u0435\u0439 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0415\u0441\u043b\u0438 a &gt; 0, \u0432\u0435\u0442\u0432\u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u0432\u0435\u0440\u0445.\n<\/li><li> \u0415\u0441\u043b\u0438 a &lt; 0, \u0432\u0435\u0442\u0432\u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u043d\u0438\u0437.\n<\/li><\/ol>\n\n\n\n<p>2. \u041d\u0430\u0439\u0442\u0438 \u0434\u0438\u0441\u043a\u0440\u0438\u043c\u0438\u043d\u0430\u043d\u0442 D = b\u00b2 &#8212; 4ac:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0415\u0441\u043b\u0438 D &gt; 0, \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430 \u043f\u0435\u0440\u0435\u0441\u0435\u043a\u0430\u0435\u0442 \u043e\u0441\u044c Ox \u0432 \u0434\u0432\u0443\u0445 \u0442\u043e\u0447\u043a\u0430\u0445.\n<\/li><li> \u0415\u0441\u043b\u0438 D = 0, \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430 \u043a\u0430\u0441\u0430\u0435\u0442\u0441\u044f \u043e\u0441\u0438 Ox \u0432 \u043e\u0434\u043d\u043e\u0439 \u0442\u043e\u0447\u043a\u0435.\n<\/li><li> D &lt; 0, \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430 \u043d\u0435 \u043f\u0435\u0440\u0435\u0441\u0435\u043a\u0430\u0435\u0442 \u043e\u0441\u044c Ox.\n<\/li><\/ol>\n\n\n\n<p>3. \u041d\u0430\u0439\u0442\u0438 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0410\u0431\u0441\u0446\u0438\u0441\u0441\u0430 \u0432\u0435\u0440\u0448\u0438\u043d\u044b: x\u2080 = -b\/(2a).\n<\/li><li> \u041e\u0440\u0434\u0438\u043d\u0430\u0442\u0430 \u0432\u0435\u0440\u0448\u0438\u043d\u044b: y\u2080 = f(x\u2080).\n<\/li><\/ol>\n\n\n\n<p>4. \u041d\u0430\u0439\u0442\u0438 \u0442\u043e\u0447\u043a\u0438 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 \u043e\u0441\u044f\u043c\u0438 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0421 \u043e\u0441\u044c\u044e Oy: \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c x = 0 \u0432 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435, y(0) = c.\n<\/li><li> \u0421 \u043e\u0441\u044c\u044e Ox: \u0440\u0435\u0448\u0438\u0442\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 ax\u00b2 + bx + c = 0.\n<\/li><\/ol>\n\n\n\n<p>5. \u041f\u043e\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u041d\u0430\u043d\u0435\u0441\u0442\u0438 \u0432\u0435\u0440\u0448\u0438\u043d\u0443, \u0442\u043e\u0447\u043a\u0438 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 \u043e\u0441\u044f\u043c\u0438 \u0438 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u043e\u0447\u043a\u0438.\n<\/li><li> \u0421\u043e\u0435\u0434\u0438\u043d\u0438\u0442\u044c \u0438\u0445 \u043f\u043b\u0430\u0432\u043d\u043e\u0439 \u043b\u0438\u043d\u0438\u0435\u0439.\n<\/li><\/ol>\n\n\n\n<div style=\"color:#32373c;background-color:#7941b6\" class=\"wp-block-atomic-blocks-ab-notice ab-font-size-18 ab-block-notice\" data-id=\"643b0b\"><div class=\"ab-notice-title\" style=\"color:#fff\"><p>\u041f\u0440\u0438\u043c\u0435\u0440<\/p><\/div><div class=\"ab-notice-text\" style=\"border-color:#7941b6\"><p><strong>\u041f\u043e\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a \u0444\u0443\u043d\u043a\u0446\u0438\u0438 y = 2x\u00b2 + 3x &#8212; 5:<\/strong><\/p><p>1) a = 2 > 0, \u0432\u0435\u0442\u0432\u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u0432\u0435\u0440\u0445.<\/p><p>2) D = 3\u00b2 &#8212; 4 <strong>\u22c5<\/strong> 2 <strong>\u22c5<\/strong> (-5) = 49 > 0. \u041a\u043e\u0440\u043d\u0438: x\u2081 = -2,5, x\u2082 = 1.<\/p><p>3) \u0412\u0435\u0440\u0448\u0438\u043d\u0430: x\u2080 = -3 \/ (2 <strong>\u22c5<\/strong> 2) = -0,75, y\u2080 = 2 <strong>\u22c5 <\/strong>(-0,75)\u00b2 + 3 <strong>\u22c5 <\/strong>(-0,75) &#8212; 5 = -6,125.<\/p><p>4) \u0422\u043e\u0447\u043a\u0430 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 Oy: (0; -5).<\/p><\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"872\" height=\"786\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/8-5.png\" alt=\"\" class=\"wp-image-17306\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/8-5.png 872w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/8-5-300x270.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/8-5-768x692.png 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/8-5-769x693.png 769w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/8-5-275x248.png 275w\" sizes=\"auto, (max-width: 872px) 100vw, 872px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 <strong>\u0423\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438\u043c\u0435\u0435\u0442 \u0432\u0438\u0434 y = a(x &#8212; x\u2080)\u00b2 + y\u2080<\/strong><\/h3>\n\n\n\n<p>1. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0412\u0435\u0440\u0448\u0438\u043d\u0430: (x\u2080; y\u2080).\n<\/li><\/ol>\n\n\n\n<p>2. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u0435\u0442\u0432\u0435\u0439 \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0415\u0441\u043b\u0438 a &gt; 0, \u0432\u0435\u0442\u0432\u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u0432\u0435\u0440\u0445.\n<\/li><li> \u0415\u0441\u043b\u0438 a &lt; 0, \u0432\u0435\u0442\u0432\u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u043d\u0438\u0437.\n<\/li><\/ol>\n\n\n\n<p>3. \u041d\u0430\u0439\u0442\u0438 \u0442\u043e\u0447\u043a\u0443 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 \u043e\u0441\u044c\u044e Oy:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u041f\u043e\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c x = 0 \u0432 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435, y(0) = a(0 &#8212; x\u2080)\u00b2 + y\u2080.\n<\/li><\/ol>\n\n\n\n<p>4. \u041d\u0430\u0439\u0442\u0438 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u043e\u0447\u043a\u0438:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u041f\u043e\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 x \u0432 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u043d\u0430\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 y.\n<\/li><\/ol>\n\n\n\n<p>5. \u041f\u043e\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u041d\u0430\u043d\u0435\u0441\u0442\u0438 \u0432\u0435\u0440\u0448\u0438\u043d\u0443, \u0442\u043e\u0447\u043a\u0443 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 Oy \u0438 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u043e\u0447\u043a\u0438.\n<\/li><li> \u0421\u043e\u0435\u0434\u0438\u043d\u0438\u0442\u044c \u0438\u0445 \u043f\u043b\u0430\u0432\u043d\u043e\u0439 \u043b\u0438\u043d\u0438\u0435\u0439.\n<\/li><\/ol>\n\n\n\n<div style=\"color:#32373c;background-color:#7941b6\" class=\"wp-block-atomic-blocks-ab-notice ab-font-size-18 ab-block-notice\" data-id=\"643b0b\"><div class=\"ab-notice-title\" style=\"color:#fff\"><p>\u041f\u0440\u0438\u043c\u0435\u0440<\/p><\/div><div class=\"ab-notice-text\" style=\"border-color:#7941b6\"><p><strong>\u041f\u043e\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a \u0444\u0443\u043d\u043a\u0446\u0438\u0438 y = 2(x &#8212; 1)\u00b2 + 4:<\/strong><\/p><p>1) \u0412\u0435\u0440\u0448\u0438\u043d\u0430: (1; 4).<\/p><p>2) \u0412\u0435\u0442\u0432\u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432\u0432\u0435\u0440\u0445 (a = 2 > 0).<\/p><p>3) \u0422\u043e\u0447\u043a\u0430 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 Oy: y(0) = 2(0 &#8212; 1)\u00b2 + 4 = 6.<\/p><\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"872\" height=\"786\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/9-3.png\" alt=\"\" class=\"wp-image-17307\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/9-3.png 872w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/9-3-300x270.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/9-3-768x692.png 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/9-3-769x693.png 769w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/9-3-275x248.png 275w\" sizes=\"auto, (max-width: 872px) 100vw, 872px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3\ufe0f\u20e3 <strong>\u0423\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438\u043c\u0435\u0435\u0442 \u0432\u0438\u0434 y = (x + a)(x + b)<\/strong><\/h3>\n\n\n\n<p>1. \u041d\u0430\u0439\u0442\u0438 \u043d\u0443\u043b\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0420\u0435\u0448\u0438\u0442\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 (x + a)(x + b) = 0.\n<\/li><li> \u041d\u0443\u043b\u0438: x\u2081 = -a, x\u2082 = -b.\n<\/li><\/ol>\n\n\n\n<p>2. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0410\u0431\u0441\u0446\u0438\u0441\u0441\u0430 \u0432\u0435\u0440\u0448\u0438\u043d\u044b: x\u2080 = (x\u2081 + x\u2082) \/ 2.\n<\/li><li> \u041e\u0440\u0434\u0438\u043d\u0430\u0442\u0430 \u0432\u0435\u0440\u0448\u0438\u043d\u044b: y\u2080 = f(x\u2080).\n<\/li><\/ol>\n\n\n\n<p>3. \u041d\u0430\u0439\u0442\u0438 \u0442\u043e\u0447\u043a\u0443 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 \u043e\u0441\u044c\u044e Oy:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u041f\u043e\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c x = 0 \u0432 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435, y(0) = (0 + a)(0 + b).\n<\/li><\/ol>\n\n\n\n<p>4. \u041f\u043e\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u041d\u0430\u043d\u0435\u0441\u0442\u0438 \u0432\u0435\u0440\u0448\u0438\u043d\u0443, \u043d\u0443\u043b\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438 \u0442\u043e\u0447\u043a\u0443 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 Oy.\n<\/li><li> \u0421\u043e\u0435\u0434\u0438\u043d\u0438\u0442\u044c \u0438\u0445 \u043f\u043b\u0430\u0432\u043d\u043e\u0439 \u043b\u0438\u043d\u0438\u0435\u0439.\n<\/li><\/ol>\n\n\n\n<div style=\"color:#32373c;background-color:#7941b6\" class=\"wp-block-atomic-blocks-ab-notice ab-font-size-18 ab-block-notice\" data-id=\"643b0b\"><div class=\"ab-notice-title\" style=\"color:#fff\"><p>\u041f\u0440\u0438\u043c\u0435\u0440<\/p><\/div><div class=\"ab-notice-text\" style=\"border-color:#7941b6\"><p><strong>\u041f\u043e\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a \u0444\u0443\u043d\u043a\u0446\u0438\u0438 y = (x &#8212; 2)(x + 1):<\/strong><\/p><p>1) \u041d\u0443\u043b\u0438: x\u2081 = 2, x\u2082 = -1.<\/p><p>2) \u0412\u0435\u0440\u0448\u0438\u043d\u0430: x\u2080 = (2 + (-1)) \/ 2 = 0,5, y\u2080 = (0,5 &#8212; 2)(0,5 + 1) = -2,25.<\/p><p>3) \u0422\u043e\u0447\u043a\u0430 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 Oy: y(0) = (0 &#8212; 2)(0 + 1) = -2.<\/p><\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"872\" height=\"786\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/10-2.png\" alt=\"\" class=\"wp-image-17308\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/10-2.png 872w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/10-2-300x270.png 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/10-2-768x692.png 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/10-2-769x693.png 769w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2025\/08\/10-2-275x248.png 275w\" sizes=\"auto, (max-width: 872px) 100vw, 872px\" \/><\/figure>\n\n\n\n<p>\u041a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u2014 \u044d\u0442\u043e \u043c\u043e\u0449\u043d\u044b\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0438 \u043c\u043e\u0434\u0435\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u044f\u0432\u043b\u0435\u043d\u0438\u0439. \u0413\u0440\u0430\u0444\u0438\u043a \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 (\u043f\u0430\u0440\u0430\u0431\u043e\u043b\u0430) \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438 \u0435\u0451 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u044d\u0442\u0430\u043f\u044b \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043f\u0430\u0440\u0430\u0431\u043e\u043b\u044b \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u0435\u0442\u0432\u0435\u0439, \u043d\u0430\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u0432\u0435\u0440\u0448\u0438\u043d\u044b, \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0435 \u043d\u0443\u043b\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438 \u0442\u043e\u0447\u0435\u043a \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0441 \u043e\u0441\u044f\u043c\u0438 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442. \u0417\u043d\u0430\u043d\u0438\u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0444\u043e\u0440\u043c \u0437\u0430\u043f\u0438\u0441\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u0440\u0435\u0448\u0430\u0442\u044c \u0437\u0430\u0434\u0430\u0447\u0438 \u0438 \u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a\u0438.&nbsp;<\/p>\n\n\n\n<p>\u0415\u0441\u043b\u0438 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0442 \u0442\u0440\u0443\u0434\u043d\u043e\u0441\u0442\u0438 \u0441 \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0435\u043c \u0442\u0435\u043c\u044b, \u0432\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435\u0441\u044c \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430\u043c\u0438 \u0441\u0442\u0430\u0442\u044c\u0438 \u0438\u043b\u0438 \u043e\u0431\u0440\u0430\u0442\u0438\u0442\u0435\u0441\u044c \u0437\u0430 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a \u0440\u0435\u043f\u0435\u0442\u0438\u0442\u043e\u0440\u0430\u043c \u043d\u0430\u0448\u0435\u0439 \u043e\u043d\u043b\u0430\u0439\u043d-\u0448\u043a\u043e\u043b\u044b. <strong>\u041f\u0435\u0440\u0432\u044b\u0439 \u0443\u0440\u043e\u043a \u043f\u043e \u0444\u043e\u0440\u043c\u0435 \u043d\u0438\u0436\u0435 \u2014 \u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0439!<\/strong><\/p>\n\n\n<div 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