{"id":2932,"date":"2017-09-04T14:42:23","date_gmt":"2017-09-04T13:42:23","guid":{"rendered":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/?p=2932"},"modified":"2018-02-17T02:04:42","modified_gmt":"2018-02-17T01:04:42","slug":"2de-chap-5-fonction-carre","status":"publish","type":"post","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/2de-chap-5-fonction-carre\/","title":{"rendered":"Fonction carr\u00e9 (2nde &#8211; Chap 5 &#8211;  2 semaines)"},"content":{"rendered":"<p style=\"text-align: right\">Retour \u00e0 la <strong><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/exemple-de-progression-en-classe-de-seconde\/\">progression propos\u00e9e pour la classe de 2de<\/a><\/strong><\/p>\n<h1>Contenus<\/h1>\n<ul>\n<li>Variations et repr\u00e9sentation graphique de la fonction carr\u00e9.<\/li>\n<li>R\u00e9solution graphique et alg\u00e9brique des \u00e9quations et in\u00e9quations du type\u00a0 x\u00b2=a et x\u00b2&lt;a.<\/li>\n<li>Identit\u00e9s remarquables a\u00b2-b\u00b2.<\/li>\n<li><span style=\"color: #993366\">Syst\u00e8mes d&#8217;\u00e9quations (2\u00e8me approche d\u2019un probl\u00e8me se ramenant \u00e0 un syst\u00e8me (sans formalisation))<\/span><\/li>\n<\/ul>\n<h1>Capacit\u00e9s attendues<\/h1>\n<ul>\n<li>Conna\u00eetre les variations de la fonction carr\u00e9.<\/li>\n<li>Repr\u00e9senter graphiquement la fonction carr\u00e9.<\/li>\n<li>D\u00e9crire, avec un vocabulaire adapt\u00e9 ou un tableau de variations, le comportement d\u2019une fonction d\u00e9finie par une courbe.<\/li>\n<li>R\u00e9soudre une \u00e9quation produit nul et conna\u00eetre l&#8217;identit\u00e9 remarquable a\u00b2-b\u00b2.<\/li>\n<li>R\u00e9soudre une in\u00e9quation \u00e0 partir de l\u2019\u00e9tude du signe d\u2019une expression produit de facteurs du premier degr\u00e9.<\/li>\n<\/ul>\n<h1>R\u00e9activation \/ commentaires<\/h1>\n<ul>\n<li><span style=\"color: #ff0000\">Vocabulaire image -ant\u00e9c\u00e9dent -courbe repr\u00e9sentative<\/span><\/li>\n<li>R\u00e9solution graphique de l\u2019\u00e9quation puis institutionnalisation de la r\u00e9solution alg\u00e9brique<\/li>\n<li>R\u00e9solution semi graphique-alg\u00e9brique de l\u2019in\u00e9quation<\/li>\n<li>Utilisation des divers tableaux.<\/li>\n<li>Premiers exemples de non-lin\u00e9arit\u00e9<\/li>\n<li>On fait le lien entre le signe de <em>ax+b<\/em>, le sens de variation de la fonction et sa courbe repr\u00e9sentative.<\/li>\n<\/ul>\n<h1>Ressources pour activit\u00e9s, probl\u00e8mes transversaux, devoirs maison, &#8230;<\/h1>\n<ul>\n<li><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/doubler-un-carre\/\">Doubler un carr\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-content\/uploads\/sites\/3\/2016\/09\/reduction_expressions_algebriques.pdf\">R\u00e9duction d&#8217;expressions alg\u00e9briques<\/a><\/li>\n<li><span style=\"color: #ffcc99\">TICE\u00a0:<\/span> <a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-content\/uploads\/sites\/3\/2017\/06\/Aires-et-\u00e9quations.pdf\">Aires et \u00e9quations<\/a><\/li>\n<li><span style=\"color: #ffcc99\">TICE\u00a0:<\/span> <a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-content\/uploads\/sites\/3\/2016\/09\/points_equidistants_droite_point.doc\">Points \u00e9quidistants d\u2019une droite et d\u2019un point<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Retour \u00e0 la progression propos\u00e9e pour la classe de 2de Contenus Variations et repr\u00e9sentation graphique de la fonction carr\u00e9. R\u00e9solution graphique et alg\u00e9brique des \u00e9quations et in\u00e9quations du type\u00a0 x\u00b2=a et x\u00b2&lt;a. Identit\u00e9s remarquables a\u00b2-b\u00b2. Syst\u00e8mes d&#8217;\u00e9quations (2\u00e8me approche d\u2019un probl\u00e8me se ramenant \u00e0 un syst\u00e8me (sans formalisation)) Capacit\u00e9s attendues Conna\u00eetre les variations de la &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/2de-chap-5-fonction-carre\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":351,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[23,22],"tags":[70,101,103,29,74,75,72,62,71],"class_list":["post-2932","post","type-post","status-publish","format-standard","hentry","category-seconde","category-lycee","tag-carre","tag-equation","tag-equation-produit","tag-fonction","tag-identite-remarquable","tag-inequation","tag-produit-nul","tag-representation","tag-variations","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/posts\/2932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/users\/351"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/comments?post=2932"}],"version-history":[{"count":7,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/posts\/2932\/revisions"}],"predecessor-version":[{"id":3200,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/posts\/2932\/revisions\/3200"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/media?parent=2932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/categories?post=2932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/tags?post=2932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}