{"id":3377,"date":"2025-01-14T17:37:18","date_gmt":"2025-01-14T14:37:18","guid":{"rendered":"https:\/\/currconv.ru\/blog\/14109-2\/"},"modified":"2025-01-14T17:37:18","modified_gmt":"2025-01-14T14:37:18","slug":"14109","status":"publish","type":"post","link":"https:\/\/currconv.ru\/blog\/14109\/","title":{"rendered":"\u041f\u0440\u0438\u043c\u0435\u0440 \u211646 \u0438\u0437 \u0437\u0430\u0434\u0430\u043d\u0438\u044f 9"},"content":{"rendered":"<div class=\"fpm_start\"><\/div>\n<p>\u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u043a\u043e\u0440\u0435\u043d\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f <span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle 2x^2=7x+9<\/span>. \u0415\u0441\u043b\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0438\u043c\u0435\u0435\u0442 \u0431\u043e\u043b\u0435\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0440\u043d\u044f, \u0432 \u043e\u0442\u0432\u0435\u0442 \u0437\u0430\u043f\u0438\u0448\u0438\u0442\u0435 \u043c\u0435\u043d\u044c\u0448\u0438\u0439 \u0438\u0437 \u043a\u043e\u0440\u043d\u0435\u0439.<\/p>\n<p><span id=\"more-14109\"><\/span><\/p>\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n<h2 class=\"wp-block-heading has-text-align-center has-medium-font-size\"><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/h2>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle 2x^2=7x+9;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle 2x^2-7x-9=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">D=b^2-4ac=7^2-4 \\cdot 2 \\cdot (-9)=49+72=121;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle x_1=\\frac{-b+\\sqrt{D}}{2a}=\\frac{7+11}{2 \\cdot 2}=\\frac{18}{4}=4,5;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle x_2=\\frac{-b-\\sqrt{D}}{2a}=\\frac{7-11}{2 \\cdot 2}=\\frac{-4}{4}=-1.<\/span><\/p>\n<p>\u041c\u0435\u043d\u044c\u0448\u0438\u0439 \u0438\u0437 \u043a\u043e\u0440\u043d\u0435\u0439 \u0440\u0430\u0432\u0435\u043d <span class=\"katex-eq\" data-katex-display=\"false\">-1<\/span>.<\/p>\n<p><strong>\u041e\u0442\u0432\u0435\u0442:<\/strong>\u00a0<span class=\"katex-eq\" data-katex-display=\"false\">-1<\/span>.<span class=\"MathJax_Preview\" style=\"display: none;\"><\/span><span class=\"MathJax\" id=\"MathJax-Element-4-Frame\" tabindex=\"0\" style=\"\"><nobr><span class=\"math\" id=\"MathJax-Span-15\" style=\"width: 1.2em; display: inline-block;\"><span style=\"display: inline-block; position: relative; width: 1.008em; height: 0px; font-size: 116%;\"><span style=\"position: absolute; clip: rect(1.535em, 1000.96em, 2.493em, -999.998em); top: -2.344em; left: 0em;\"><\/span><\/span><\/span><\/nobr><\/span><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<p><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a:<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong> \u041e\u0413\u042d 2025. \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430. 50 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432. \u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u044d\u043a\u0437\u0430\u043c\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0437\u0430\u0434\u0430\u043d\u0438\u0439 \u043e\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u041e\u0413\u042d. \u042f\u0449\u0435\u043d\u043a\u043e \u0418. \u0412. (\u0432\u0430\u0440\u0438\u0430\u043d\u0442 9) <\/p>\n<p><script data-noptimize=\"\" data-wpfc-render=\"false\">\nfpm_start( \"true\" );\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u043a\u043e\u0440\u0435\u043d\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \\displaystyle 2x^2=7x+9. \u0415\u0441\u043b\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0438\u043c\u0435\u0435\u0442 \u0431\u043e\u043b\u0435\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0440\u043d\u044f, \u0432 \u043e\u0442\u0432\u0435\u0442 \u0437\u0430\u043f\u0438\u0448\u0438\u0442\u0435 \u043c\u0435\u043d\u044c\u0448\u0438\u0439 \u0438\u0437 \u043a\u043e\u0440\u043d\u0435\u0439. \u0420\u0435\u0448\u0435\u043d\u0438\u0435 \\displaystyle 2x^2=7x+9; \\displaystyle 2x^2-7x-9=0; D=b^2-4ac=7^2-4 \\cdot 2 \\cdot (-9)=49+72=121; \\displaystyle x_1=\\frac{-b+\\sqrt{D}}{2a}=\\frac{7+11}{2 \\cdot 2}=\\frac{18}{4}=4,5; \\displaystyle x_2=\\frac{-b-\\sqrt{D}}{2a}=\\frac{7-11}{2 \\cdot 2}=\\frac{-4}{4}=-1. \u041c\u0435\u043d\u044c\u0448\u0438\u0439 \u0438\u0437 \u043a\u043e\u0440\u043d\u0435\u0439 \u0440\u0430\u0432\u0435\u043d -1. \u041e\u0442\u0432\u0435\u0442:\u00a0-1. \u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a: \u041e\u0413\u042d 2025. \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430. 50 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432. \u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u044d\u043a\u0437\u0430\u043c\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0437\u0430\u0434\u0430\u043d\u0438\u0439 \u043e\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u041e\u0413\u042d. \u042f\u0449\u0435\u043d\u043a\u043e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-3377","post","type-post","status-publish","format-standard","hentry","category-zadanie-9-oge"],"_links":{"self":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/3377","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/comments?post=3377"}],"version-history":[{"count":0,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/3377\/revisions"}],"wp:attachment":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/media?parent=3377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/categories?post=3377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/tags?post=3377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}