{"id":8543,"date":"2023-09-20T10:25:00","date_gmt":"2023-09-20T09:25:00","guid":{"rendered":"https:\/\/exos.education\/fr\/exercice-math-fonctions-lineaires-niveau-3eme-precoces\/"},"modified":"2023-08-21T14:54:30","modified_gmt":"2023-08-21T13:54:30","slug":"exercice-math-fonctions-lineaires-niveau-3eme-precoces","status":"publish","type":"post","link":"https:\/\/exos.education\/fr\/exercice-math-fonctions-lineaires-niveau-3eme-precoces\/","title":{"rendered":"Exercice Math Fonctions Lin\u00e9aires Niveau 3\u00e8me Pr\u00e9coces"},"content":{"rendered":"<p>Points importants du cours :<\/p>\n<p>Les fonction lin\u00e9aires sont des fonctions de la forme f(x)=m*x, o\u00f9 m est le coefficient directeur, qui repr\u00e9sentent une droite passant par l&rsquo;origine du rep\u00e8re dans un graphe.<\/p>\n<p>&#8211; Le coefficient m indique la pente de la droite : si m &gt; 0, alors la fonction est croissante; si m &lt; 0 alors elle est d\u00e9croissante.<br \/>&#8211; Un point important \u00e0 retenir est que deux fonctions lin\u00e9aires sont soit parall\u00e8les soit confondues. Elles ne peuvent pas se croiser.<\/p>\n<p>Exercice QCM :<\/p>\n<p>Pour chaque question, choisissez l&rsquo;option correcte :<\/p>\n<p>1) La fonction f(x)=3x est :<br \/>a) D\u00e9croissante<br \/>b) Constante<br \/>c) Croissante <img decoding=\"async\" draggable=false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f4c8.svg\"><br \/>d) Aucune des r\u00e9ponses pr\u00e9c\u00e9dentes <\/p>\n<p>2) Si je double le coefficient directeur d&rsquo;une fonction lin\u00e9aire :<br \/>a) Je divise par deux la pente de la droite <br \/>b) Je multiplie par deux la pente de la droite <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\u2b06\ufe0f\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/2b06.svg\"><br \/>c) La pente reste identique <br \/>d).L&rsquo;ordonn\u00e9e \u00e0 l&rsquo;origine double <\/p>\n<p>3. Deux fonctions lin\u00e9aires peuvent-elles se croiser ? <br \/>a). Oui <br \/>b). Non <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\u274c\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/274c.svg\"><\/p>\n<p>R\u00e9ponses : <\/p>\n<p>1.c 2.b 3.b<\/p>\n<p>Adaptation pour \u00e9l\u00e8ves pr\u00e9coces : <br \/>Cet exercice porte sur les notions basiques des fonctions lin\u00e9raires ce qui permet aux \u00e9l\u00e8ves pr\u00e9coces d&rsquo;affiner leur comp\u00e9tence et leur compr\u00e9hension rapide enreconnaissance visuelle et logique mathematique .<\/p>\n<p><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f3af.svg\"> Mettez-vous au d\u00e9fi de ne prendre que 2 minutes pour r\u00e9pondre !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Points importants du cours : Les fonction lin\u00e9aires sont des fonctions de la forme f(x)=m*x, o\u00f9 m est le coefficient directeur, qui repr\u00e9sentent une droite passant par l&rsquo;origine du rep\u00e8re dans un graphe. &#8211; Le coefficient m indique la pente de la droite : si m &gt; 0, alors la fonction est croissante; si m [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[7,27,6,5,4,53,1],"tags":[],"class_list":["post-8543","post","type-post","status-publish","format-standard","hentry","category-mathematiques","category-precoces","category-accessibilite","category-niveaux","category-matieres","category-3eme","category-exercices-pedagogiques-imprimables-et-gratuits"],"_links":{"self":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts\/8543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/comments?post=8543"}],"version-history":[{"count":0,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts\/8543\/revisions"}],"wp:attachment":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/media?parent=8543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/categories?post=8543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/tags?post=8543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}