{"id":361,"date":"2023-07-04T08:50:30","date_gmt":"2023-07-04T08:50:30","guid":{"rendered":"https:\/\/mathority.org\/cn\/%e5%a4%9a%e9%a1%b9%e5%bc%8f%e5%87%bd%e6%95%b0-2\/"},"modified":"2023-07-04T08:50:30","modified_gmt":"2023-07-04T08:50:30","slug":"%e5%a4%9a%e9%a1%b9%e5%bc%8f%e5%87%bd%e6%95%b0-2","status":"publish","type":"post","link":"https:\/\/mathority.org\/cn\/%e5%a4%9a%e9%a1%b9%e5%bc%8f%e5%87%bd%e6%95%b0-2\/","title":{"rendered":"\u591a\u9879\u5f0f\u51fd\u6570"},"content":{"rendered":"<p>\u5728\u8fd9\u91cc\u60a8\u5c06\u4e86\u89e3\u4ec0\u4e48\u662f\u591a\u9879\u5f0f\u51fd\u6570\u4ee5\u53ca\u4ec0\u4e48\u662f\u6240\u6709\u7c7b\u578b\u7684\u591a\u9879\u5f0f\u51fd\u6570\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u89e3\u91ca\u4e86\u591a\u9879\u5f0f\u51fd\u6570\u7684\u6027\u8d28\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-una-funcion-polinomica\"><\/span>\u4ec0\u4e48\u662f\u591a\u9879\u5f0f\u51fd\u6570\uff1f <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div style=\"background:linear-gradient(to bottom, #FFFFFF 0%, #FFE0B2 100%); padding-top: 23px; padding-bottom: 0.5px; padding-right: 30px; padding-left: 30px; border: 2px dashed #FF9B28; border-radius:20px;\">\n<p style=\"text-align:left\"><strong>\u591a\u9879\u5f0f\u51fd\u6570\u662f\u4ee3\u6570\u8868\u8fbe\u5f0f\u4e3a\u591a\u9879\u5f0f \u7684\u51fd\u6570<\/strong>\uff0c\u5373\u591a\u9879\u5f0f\u51fd\u6570\u7531\u6709\u9650\u4e2a\u4e0d\u540c\u6b21\u6570\u9879\u7684\u52a0\u6cd5\u6216\u51cf\u6cd5\u5b9a\u4e49\u3002<\/p>\n<\/div>\n<p>\u56e0\u6b64\uff0c\u591a\u9879\u5f0f\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8868\u8fbe\u5f0f\u8fdb\u884c\u6570\u5b66\u63cf\u8ff0\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3094a01ff9b10acb7c44349cda083025_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=a_0+a_1x+a_2x^2+a_3x^3+\\dots+a_nx^n\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"338\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u591a\u9879\u5f0f\u51fd\u6570\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u5b9a\u4e49\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-62b7d79fa4f8729d8b5988cfafe766b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle f(x)=\\sum_{k=0}^{n}a_k\\cdot x^k\" title=\"Rendered by QuickLaTeX.com\" height=\"50\" width=\"134\" style=\"vertical-align: -22px;\"><\/p>\n<\/p>\n<p>\u5176\u4e2d\u6761\u6b3e<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb74c1c8b6fc6cb7def31be6478a4ac5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a_k\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u548c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-81e025d46b78edcab0363d17fe2192ae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^k\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5206\u522b\u662f\u5f62\u6210\u591a\u9879\u5f0f\u51fd\u6570\u7684\u6bcf\u4e2a\u5355\u9879\u5f0f\u7684\u7cfb\u6570\u548c\u53d8\u91cf\u3002<\/p>\n<p>\u671f\u9650<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9de935842ec9a1d8a889c9cdf3a65d52_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a_nx^n\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"37\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u79f0\u4e3a\u4e3b\u9879\uff0c\u8868\u793a\u591a\u9879\u5f0f\u51fd\u6570\u7684\u6b21\u6570\uff0c\u56e0\u4e3a\u5b83\u662f\u51fd\u6570\u7684\u6700\u9ad8\u6b21\u6570\u5355\u9879\u5f0f\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u6700\u5927\u503c\u6307\u6570\u662f\u8868\u793a\u591a\u9879\u5f0f\u51fd\u6570\u6b21\u6570\u7684\u6307\u6570\u3002<\/p>\n<p>\u867d\u7136\u6211\u4eec\u4f1a\u5728\u4e0b\u9762\u770b\u5230\u66f4\u591a\u591a\u9879\u5f0f\u51fd\u6570\u7684\u7279\u6027\uff0c\u4f46\u4efb\u4f55\u591a\u9879\u5f0f\u51fd\u6570\u7684\u5b9a\u4e49\u57df\u90fd\u662f\u5b9e\u6570\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"tipos-de-funciones-polinomicas\"><\/span>\u591a\u9879\u5f0f\u51fd\u6570\u7684\u7c7b\u578b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u7ed9\u51fa\u591a\u9879\u5f0f\u51fd\u6570\u7684\u5b9a\u4e49\uff0c\u6211\u4eec\u73b0\u5728\u5c06\u4e86\u89e3\u6240\u6709\u7c7b\u578b\u7684\u591a\u9879\u5f0f\u51fd\u6570\u90fd\u5b58\u5728\u4ec0\u4e48\u3002<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"funcion-constante\"><\/span>\u5e38\u6570\u51fd\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u5e38\u6570\u51fd\u6570<\/strong>\u662f 0 \u6b21\u591a\u9879\u5f0f\u51fd\u6570\uff0c\u56e0\u6b64\u5b83\u662f\u4e00\u79cd\u5bf9\u4e8e\u81ea\u53d8\u91cf (x) \u7684\u4efb\u4f55\u503c\u90fd\u59cb\u7ec8\u91c7\u7528\u76f8\u540c\u56fe\u50cf\u7684\u51fd\u6570\u3002<\/p>\n<p>\u5e38\u6570\u51fd\u6570\u7684\u4e00\u822c\u8868\u8fbe\u5f0f\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-252f9958e223f77bf50cb3b92a7c3e35_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=k\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"67\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4e09\u4e2a\u51fd\u6570\u662f\u5e38\u6570\u6216\u96f6\u6b21\u591a\u9879\u5f0f\u51fd\u6570\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dfecee0a7025cfa700232991aca9831c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=5 \\qquad f(x)=2 \\qquad f(x)=-3\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"286\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u5e38\u6570\u51fd\u6570\u7684\u56fe\u5f62\u8868\u793a\u662f\u4e00\u6761\u6c34\u5e73\u7ebf\uff08\u5e73\u884c\u4e8e x \u8f74\uff09\uff0c\u5176\u503c\u7b49\u4e8e\u5e38\u6570\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/fonctions-constantes.webp\" alt=\"\" class=\"wp-image-475\" width=\"336\" height=\"341\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u60a8\u53ef\u4ee5\u5728\u4ee5\u4e0b\u94fe\u63a5\u4e2d\u67e5\u770b\u6709\u5173\u6b64\u7c7b\u529f\u80fd\u7684\u66f4\u591a\u529f\u80fd\uff1a<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span><strong>\u53c2\u89c1\uff1a<\/strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/cn\/\u5e38\u6570\u51fd\u6570\/\">\u5e38\u6570\u51fd\u6570\u7684\u7279\u5f81<\/a><\/span><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"funcion-lineal\"><\/span>\u7ebf\u6027\u51fd\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u7ebf\u6027\u51fd\u6570<\/strong>\u4e5f\u79f0\u4e3a\u4eff\u5c04\u51fd\u6570\uff0c\u662f\u4e00\u6b21\u591a\u9879\u5f0f\u51fd\u6570\u3002\u56e0\u6b64\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u591a\u9879\u5f0f\u51fd\u6570\u53ea\u80fd\u7531\u7ebf\u6027\u9879\u548c\u72ec\u7acb\u9879\u7ec4\u6210\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d1732952e15a6b2d8b3a238c55238db2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=mx+n\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"117\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u91d1\u5b50<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u76f4\u7ebf\u7684\u659c\u7387\uff0c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f y \u8f74\u622a\u8ddd\uff0c\u5373\u51fd\u6570\u4e0e Y \u8f74\u76f8\u4ea4\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>\u7ebf\u6027\u51fd\u6570\u6216\u4e00\u6b21\u591a\u9879\u5f0f\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-86aa79e6005b24678d9a3d85eb81e944_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=4x+3\\qquad f(x)=-5x\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"234\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u6709\u4e9b\u4eba\u6839\u636e\u51fd\u6570\u662f\u5426\u5177\u6709\u4f5c\u4e3a\u5176\u9879\u6765\u533a\u5206\u7ebf\u6027\u51fd\u6570\u548c\u4eff\u5c04\u51fd\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6216\u4e0d\uff0c\u662f\u5e26\u622a\u8ddd\u7684\u4eff\u5c04\u51fd\u6570\u548c\u4e0d\u5e26\u622a\u8ddd\u7684\u7ebf\u6027\u51fd\u6570\u3002<\/p>\n<p>\u7ebf\u6027\u51fd\u6570\u7684\u56fe\u5f62\u8868\u793a\u59cb\u7ec8\u662f\u76f4\u7ebf\uff0c\u5176\u503e\u659c\u5ea6\u53d6\u51b3\u4e8e\u51fd\u6570\u659c\u7387\u7684\u503c\u3002<\/p>\n<p>\u4e0b\u9762\u60a8\u53ef\u4ee5\u56fe\u5f62\u5316\u5730\u770b\u5230\u4e00\u6b21\u591a\u9879\u5f0f\u51fd\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9653f127e32459ed8310862cccdea63b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=2x-1.\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"112\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exercices-resolus-pour-representer-graphiquement-une-fonction-lineaire-ou-affine.webp\" alt=\"\" class=\"wp-image-106\" width=\"289\" height=\"334\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u7136\u800c\uff0c\u8981\u7ed8\u5236\u7ebf\u6027\u51fd\u6570\u7684\u56fe\u8868\uff0c\u60a8\u9700\u8981\u6e05\u695a\u51e0\u4e2a\u6982\u5ff5\u3002\u5728\u4ee5\u4e0b\u94fe\u63a5\u4e2d\uff0c\u60a8\u5c06\u627e\u5230\u5982\u4f55\u7ed8\u5236\u6b64\u7c7b\u591a\u9879\u5f0f\u51fd\u6570\u7684\u5206\u6b65\u8bf4\u660e\uff1a<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span><strong>\u8bf7\u53c2\u9605\uff1a<\/strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/cn\/\u7ebf\u6027\u548c\u4eff\u5c04\u51fd\u6570\/\">\u7ebf\u6027\u51fd\u6570\u7684\u56fe\u5f62\u8868\u793a<\/a><\/span><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"funcion-cuadratica\"><\/span>\u4e8c\u6b21\u51fd\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u4e8c\u6b21\u51fd\u6570<\/strong>\u662f 2 \u6b21\u591a\u9879\u5f0f\u51fd\u6570\uff0c\u5373\u9ad8\u6b21\u9879\u4e3a\u4e8c\u6b21\u7684\u51fd\u6570\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4e8c\u6b21\u51fd\u6570\u7684\u516c\u5f0f\u4e3a\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-576d742ea12f780a76fa5809f5112086_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=ax^2+bx+c\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"154\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u91d1\u5b50<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0dfe37f98696a04358a5783f12ff4d6d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"ax^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"26\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u4e8c\u6b21\u9879\uff0c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e925448cc849aa310b3d4a7b77594e4b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"bx\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"18\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u7ebf\u6027\u9879\u548c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-41a04eeea923a1a0c28094a8a4680525_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"c\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u591a\u9879\u5f0f\u51fd\u6570\u7684\u72ec\u7acb\u9879\u3002<\/p>\n<p>\u4e8c\u6b21\u51fd\u6570\u6216\u4e8c\u6b21\u591a\u9879\u5f0f\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d48b64c6411e81355f36c39384ae2241_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=5x^2+2x-1\\qquad f(x)=-2x^2+x+7\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"353\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4e8c\u6b21\u51fd\u6570\u7684\u56fe\u5f62\u59cb\u7ec8\u662f\u629b\u7269\u7ebf\uff0c\u5176\u5f62\u72b6\u53d6\u51b3\u4e8e\u9996\u9879\u7cfb\u6570\u7684\u7b26\u53f7\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4fad90838c7fa310bdbea2364787ced6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a:\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"18\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u5982\u679c\u7cfb\u6570\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e3a\u6b63\uff0c\u4e8c\u6b21\u51fd\u6570\u662f<strong>\u51f8\u51fd\u6570<\/strong>\uff08\u5f62\u72b6\u50cf<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f5ebc563dbe58138d1de6b7fe99e8d31_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{\\cup}\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p>\uff09\u3002<\/li>\n<li>\u76f8\u53cd\uff0c\u5982\u679c\u7cfb\u6570\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e3a\u8d1f\uff0c\u4e8c\u6b21\u51fd\u6570\u662f<strong>\u51f9\u7684<\/strong>\uff08\u5f62\u72b6\u50cf<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dccbfcebef91876585ebd365457c3d24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{\\cap}\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p>\uff09\u3002 <\/li>\n<\/ul>\n<div class=\"wp-block-columns is-layout-flex wp-container-147\">\n<div class=\"wp-block-column is-layout-flow\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/fonction-quadratique-ou-parabole-convexe.webp\" alt=\"\" class=\"wp-image-132\" width=\"254\" height=\"259\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<\/div>\n<div class=\"wp-block-column is-layout-flow\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/fonction-quadratique-ou-parabole-concave.webp\" alt=\"\" class=\"wp-image-133\" width=\"255\" height=\"260\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<p>\u56e0\u6b64\uff0c\u901a\u8fc7\u4e8c\u6b21\u591a\u9879\u5f0f\u51fd\u6570\u4e3b\u7cfb\u6570\u7684\u7b26\u53f7\uff0c\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\u5176\u56fe\u5f62\u5c06\u91c7\u53d6\u7684\u5f62\u72b6\uff0c\u4f46\u4e3a\u4e86\u4f7f\u5176\u7cbe\u786e\u7684\u56fe\u5f62\u8868\u793a\uff0c\u5fc5\u987b\u9075\u5faa\u7279\u5b9a\u7684\u7a0b\u5e8f\u3002\u60a8\u53ef\u4ee5\u5728\u4ee5\u4e0b\u94fe\u63a5\u4e2d\u67e5\u770b\u6b64\u8fc7\u7a0b\uff1a<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span><strong>\u8bf7\u53c2\u9605\uff1a<\/strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/cn\/\u4e8c\u6b21\u629b\u7269\u7ebf\u51fd\u6570\/\">\u4e8c\u6b21\u51fd\u6570\u7684\u56fe\u5f62\u8868\u793a<\/a><\/span><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"funcion-cubica\"><\/span>\u4e09\u6b21\u51fd\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u4e09\u6b21\u51fd\u6570<\/strong>\u662f\u4e09\u6b21\u591a\u9879\u5f0f\u51fd\u6570\u3002\u56e0\u6b64\uff0c\u6b64\u7c7b\u591a\u9879\u5f0f\u51fd\u6570\u7684\u4ee3\u6570\u8868\u8fbe\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fac2bfbcd242b3a3d6155d4fac9c21d3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=ax^3+bx^2+cx+d\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"204\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4e09\u6b21\u51fd\u6570\u6216\u4e09\u6b21\u591a\u9879\u5f0f\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f7a410faffb05be5358ae725727fe7ae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=x^3+4x^2+5x-1\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"195\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e8d32af2cf007cdb99bf68a94b3312e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f(x)=2x^3-3x^2+9\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"164\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4e09\u6b21\u51fd\u6570\u7684\u56fe\u5f62\u8868\u793a\u5bf9\u5e94\u4e8e\u4e09\u6b21\u66f2\u7ebf\u3002\u7136\u800c\uff0c\u8981\u5728\u56fe\u4e2d\u8868\u793a\u6b64\u7c7b\u51fd\u6570\uff0c\u5fc5\u987b\u9075\u5faa\u590d\u6742\u7684\u8fc7\u7a0b\uff08\u5176\u4e2d\u5305\u62ec\u5bfc\u6570\uff09\u3002\u60a8\u53ef\u4ee5\u5728\u8fd9\u91cc\u67e5\u770b\u5b83\u662f\u5982\u4f55\u5b8c\u6210\u7684\uff1a<\/p>\n<p> <span style=\"color:#ff951b\">\u27a4<\/span><strong>\u8bf7\u53c2\u9605\uff1a<\/strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/cn\/\u51fd\u6570\u7684\u8868\u793a\/\">\u5982\u4f55\u8868\u793a\u51fd\u6570<\/a><\/span><\/p>\n<p>\u6b63\u5982\u60a8\u6240\u770b\u5230\u7684\uff0c\u591a\u9879\u5f0f\u51fd\u6570\u7684\u7c7b\u578b\u5b9e\u9645\u4e0a\u662f\u65e0\u9650\u7684\uff0c\u56e0\u4e3a\u591a\u9879\u5f0f\u53ef\u4ee5\u6709\u65e0\u9650\u9879\u3002\u4f8b\u5982\uff0c\u56db\u6b21\u51fd\u6570\u7c7b\u4f3c\u4e8e\u4e09\u6b21\u51fd\u6570\uff0c\u4f46\u6dfb\u52a0\u4e86\u4e8c\u6b21\u9879\u3002\u91cd\u8981\u7684\u662f\u60a8\u8981\u4e86\u89e3\u591a\u9879\u5f0f\u51fd\u6570\u7684\u7c7b\u578b\u662f\u7531\u51fd\u6570\u7684\u6b21\u6570\u6765\u6807\u8bb0\u7684\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-de-las-funciones-polinomicas\"><\/span>\u591a\u9879\u5f0f\u51fd\u6570\u7684\u6027\u8d28<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u591a\u9879\u5f0f\u51fd\u6570\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u4efb\u4f55\u591a\u9879\u5f0f\u51fd\u6570\u7684\u5b9a\u4e49\u57df\u90fd\u662f\u5b9e\u6570\u96c6\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-095bba55b6d2c6da4bcb6e711357e3e1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{Dom } f=\\mathbbf{R}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"91\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<ul>\n<li>\u6240\u6709\u591a\u9879\u5f0f\u51fd\u6570\u90fd\u662f\u8fde\u7eed\u7684\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u6b21\u6570\u5927\u4e8e 1 \u7684\u591a\u9879\u5f0f\u51fd\u6570\u6ca1\u6709\u6e10\u8fd1\u7ebf\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u65e0\u8bba\u591a\u9879\u5f0f\u51fd\u6570\u662f\u4ec0\u4e48\u7c7b\u578b\uff0c\u4e0e\u7eb5\u5750\u6807\u8f74\uff08Y \u8f74\uff09\u7684\u552f\u4e00\u4ea4\u70b9\u4f4d\u4e8e\u5176\u72ec\u7acb\u9879\u7684\u9ad8\u5ea6\u5904\uff0c\u5373\u5728\u4ee5\u4e0b\u70b9\u5904\uff1a<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bbda09260d0213bbb50849bbfc546647_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(0,a_0)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"46\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li>\u53e6\u4e00\u65b9\u9762\uff0c\u591a\u9879\u5f0f\u51fd\u6570\u4e0e\u6a2a\u5750\u6807\u8f74\uff08X \u8f74\uff09\u76f8\u4ea4\u7684\u6b21\u6570\u6700\u591a\u4e0e\u51fd\u6570\u7684\u6b21\u6570\u4e00\u6837\u591a\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u5982\u679c\u591a\u9879\u5f0f\u51fd\u6570\u4ec5\u5177\u6709\u5076\u6b21\u9879\uff0c\u5219\u610f\u5473\u7740\u5b83\u5173\u4e8e OY \u8f74\u5bf9\u79f0\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u591a\u9879\u5f0f\u51fd\u6570\u4ec5\u5177\u6709\u5947\u6570\u6b21\u9879\uff0c\u5219\u610f\u5473\u7740\u8be5\u51fd\u6570\u5173\u4e8e\u5750\u6807\u539f\u70b9\u5bf9\u79f0\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u591a\u9879\u5f0f\u51fd\u6570\u7684\u76f8\u5bf9\u6781\u503c\uff08\u6700\u5927\u503c\u6216\u6700\u5c0f\u503c\uff09\u7684\u4e2a\u6570\u81f3\u591a\u4e3a\u8be5\u51fd\u6570\u7684\u591a\u9879\u5f0f\u8d1f1\u7684\u6b21\u6570\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u591a\u9879\u5f0f\u51fd\u6570\u7684\u62d0\u70b9\u6570\u91cf\u6700\u591a\u7b49\u4e8e\u8be5\u51fd\u6570\u7684\u591a\u9879\u5f0f\u6b21\u6570\u51cf 2\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u53ef\u4ee5\u4f7f\u7528\u591a\u9879\u5f0f\u51fd\u6570\u6267\u884c\u8fd0\u7b97\uff1a\n<ul>\n<li>\u4e24\u4e2a\u591a\u9879\u5f0f\u51fd\u6570\u7684\u548c\u7ed9\u51fa\u53e6\u4e00\u4e2a\u591a\u9879\u5f0f\u51fd\u6570\u3002<\/li>\n<li>\u4e24\u4e2a\u591a\u9879\u5f0f\u51fd\u6570\u7684\u4e58\u79ef\u4ea7\u751f\u53e6\u4e00\u4e2a\u591a\u9879\u5f0f\u51fd\u6570\u3002<\/li>\n<li>\u5c06\u591a\u9879\u5f0f\u51fd\u6570\u4e58\u4ee5\u6807\u91cf\uff08\u5b9e\u6570\uff09\u4f1a\u4ea7\u751f\u7c7b\u4f3c\u7684\u591a\u9879\u5f0f\u51fd\u6570\uff0c\u4f46\u5176\u56fe\u5f62\u4f1a\u7f29\u5c0f\u6216\u5c55\u5f00\u3002<\/li>\n<li>\u4e24\u4e2a\u591a\u9879\u5f0f\u51fd\u6570\u7684\u590d\u5408\u7b49\u4e8e\u53e6\u4e00\u4e2a\u591a\u9879\u5f0f\u51fd\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8fd9\u91cc\u60a8\u5c06\u4e86\u89e3\u4ec0\u4e48\u662f\u591a\u9879\u5f0f\u51fd\u6570\u4ee5\u53ca\u4ec0\u4e48\u662f\u6240\u6709\u7c7b\u578b\u7684\u591a\u9879\u5f0f\u51fd\u6570\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u89e3\u91ca\u4e86\u591a\u9879\u5f0f\u51fd\u6570\u7684\u6027\u8d28\u3002 \u4ec0\u4e48\u662f\u591a\u9879 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/cn\/%e5%a4%9a%e9%a1%b9%e5%bc%8f%e5%87%bd%e6%95%b0-2\/\"> <span class=\"screen-reader-text\">\u591a\u9879\u5f0f\u51fd\u6570<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-361","post","type-post","status-publish","format-standard","hentry","category-17"],"yoast_head":"<!-- This site is optimized 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