{"id":9539,"date":"2024-05-11T09:26:19","date_gmt":"2024-05-11T08:26:19","guid":{"rendered":"http:\/\/mathsguyon.fr\/?page_id=9539"},"modified":"2024-05-11T09:45:10","modified_gmt":"2024-05-11T08:45:10","slug":"etudes-de-signes","status":"publish","type":"page","link":"https:\/\/mathsguyon.fr\/?page_id=9539","title":{"rendered":"Etudes de signes"},"content":{"rendered":"\n

    <\/h1>\n\n\n

Cours<\/a> \u00a0\u00a0 \u00a0\u00a0 Plan de Travail <\/a><\/h1>\n\n\n

Le cours en vid\u00e9o<\/h1>\n\n\n\n

1. Fonctions affines : signe d’une fonction affine<\/h2>\n\n\n\n

Vid\u00e9o 1 <\/a>    – Vid\u00e9o 2<\/a><\/h2>\n\n\n\n

  QCM 1 : Identifi\u00e9 <\/a> – Anonyme<\/a><\/h2>\n\n\n\n

Exercice  1 :  Correction en vid\u00e9o<\/a><\/strong><\/p>\n\n\n\n

D\u00e9terminer le signe de la fonction $g$ d\u00e9finie sur  $\\mathbb{R}$ par $g( x )=4-3x$<\/p>\n\n\n\n

Exercice  2 : Correction en vid\u00e9o<\/a><\/strong><\/p>\n\n\n\n

D\u00e9terminer le signe de la fonction $v$ d\u00e9finie sur  $\\mathbb{R}$ par $v( x )=(1- \\sqrt2) x + \\sqrt3$<\/p>\n\n\n\n

Exercice 3 :   <\/strong>Correction \u00e9crite<\/strong><\/a><\/p>\n\n\n\n

D\u00e9terminer le signe de la fonction $f$ d\u00e9finie sur $\\mathbb{R}$ par $f(x) = – 2 x + 5$<\/p>\n\n\n\n

\n\n\n\n

2. R\u00e9soudre une in\u00e9quation avec un tableau de signes<\/h2>\n\n\n\n

R\u00e9soudre dans \\(\\mathbb{R}\\) : \\((4x+1)(3-x)\\geq 0\\) :  Vid\u00e9o 3<\/a> <\/h2>\n\n\n\n

Exercice 4 : <\/strong><\/p>\n\n\n\n

R\u00e9soudre dans $\\mathbb{R}$ : $( 5 x-1)(-2 x+1)> 0$ Correction \u00e9crite<\/a><\/p>\n\n\n\n

\n\n\n\n

3. \u00c9tude du signe d’une expression avec un tableau de signe<\/h2>\n\n\n\n

\u00c9tudier le signe de l’expression $(5x+6)(x-8)$ : Vid\u00e9o 4<\/a><\/h2>\n\n\n\n

Exercice 5 : Correction \u00e9crite<\/a><\/strong><\/p>\n\n\n\n

R\u00e9soudre dans $\\mathbb{R}$ les in\u00e9quations suivantes : $(3x-2)^2-(x+1)^2\\geq 0$<\/p>\n\n\n\n

\n\n\n\n

Exercices corrig\u00e9s en vid\u00e9os pour r\u00e9viser<\/a><\/strong><\/h1>\n","protected":false},"excerpt":{"rendered":"

     Cours \u00a0\u00a0 \u00a0\u00a0 Plan de Travail Le cours en vid\u00e9o 1. Fonctions affines : signe d’une fonction affine Vid\u00e9o 1    – Vid\u00e9o 2   QCM 1 : Identifi\u00e9  – Anonyme Exercice  1 :  Correction en vid\u00e9o D\u00e9terminer le … Continuer la lecture →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9539","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mathsguyon.fr\/index.php?rest_route=\/wp\/v2\/pages\/9539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathsguyon.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mathsguyon.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mathsguyon.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathsguyon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9539"}],"version-history":[{"count":8,"href":"https:\/\/mathsguyon.fr\/index.php?rest_route=\/wp\/v2\/pages\/9539\/revisions"}],"predecessor-version":[{"id":9554,"href":"https:\/\/mathsguyon.fr\/index.php?rest_route=\/wp\/v2\/pages\/9539\/revisions\/9554"}],"wp:attachment":[{"href":"https:\/\/mathsguyon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}