{"id":272,"date":"2018-07-29T14:46:10","date_gmt":"2018-07-29T14:46:10","guid":{"rendered":"https:\/\/lpmaths.wordpress.com\/?page_id=272"},"modified":"2024-08-27T09:45:20","modified_gmt":"2024-08-27T09:45:20","slug":"entrainement-second-degre","status":"publish","type":"page","link":"https:\/\/www.lecours.lpmaths.fr\/?page_id=272","title":{"rendered":"Entra\u00eenement: Second degr\u00e9"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Exercices sur le second degr\u00e9<\/h2>\n\n\n\n<h5 class=\"wp-block-heading\">&nbsp;<span style=\"text-decoration:underline;\">1) D\u00e9velopper chacune des fonctions du second degr\u00e9 suivantes: <\/span><\/h5>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1109\" height=\"314\" src=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image.png?w=1024\" alt=\"\" class=\"wp-image-1309\" srcset=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image.png 1109w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-300x85.png 300w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-1024x290.png 1024w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-768x217.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><span style=\"text-decoration:underline;\">2) D\u00e9terminer les racines d&rsquo;un polyn\u00f4me du second degr\u00e9 donn\u00e9 sous forme factoris\u00e9e. <\/span><br><\/h5>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"911\" height=\"270\" src=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-1.png?w=911\" alt=\"\" class=\"wp-image-1311\" srcset=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-1.png 911w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-1-300x89.png 300w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-1-768x228.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><span style=\"text-decoration:underline;\">3) Trouver les racines \u00e9videntes des fonctions du second degr\u00e9 suivantes: <\/span><\/h5>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"319\" src=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-2.png?w=896\" alt=\"\" class=\"wp-image-1313\" srcset=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-2.png 896w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-2-300x107.png 300w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-2-768x273.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><span style=\"text-decoration:underline;\">4) Trouver la deuxi\u00e8me solution d&rsquo;une \u00e9quation du second degr\u00e9 dont on conna\u00eet la premi\u00e8re.<\/span><\/h5>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1158\" height=\"323\" src=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-3.png?w=1024\" alt=\"\" class=\"wp-image-1314\" srcset=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-3.png 1158w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-3-300x84.png 300w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-3-1024x286.png 1024w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-3-768x214.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><span style=\"text-decoration:underline;\">5) Donner les coefficients a, b et c puis calculer les coordonn\u00e9es du sommet des fonctions du second degr\u00e9 suivantes:<\/span><\/h5>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"940\" height=\"254\" src=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-4.png?w=940\" alt=\"\" class=\"wp-image-1316\" srcset=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-4.png 940w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-4-300x81.png 300w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-4-768x208.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">6) Dans chacun des cas suivants, donner la forme factoris\u00e9e du polyn\u00f4me sachant que les racines sont donn\u00e9es&nbsp;:&nbsp;<\/h5>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1016\" height=\"480\" src=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-5.png?w=1016\" alt=\"\" class=\"wp-image-1321\" srcset=\"https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-5.png 1016w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-5-300x142.png 300w, https:\/\/www.lecours.lpmaths.fr\/wp-content\/uploads\/2021\/07\/image-5-768x363.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">7) <span style=\"text-decoration:underline;\"><u>Feuille d&rsquo;exercices sur les \u00e9quations du second degr\u00e9 avec calcul du discriminant <\/u><\/span>\u0394.<\/h5>\n\n\n<p align=\"center\"><iframe loading=\"lazy\" src=\"https:\/\/drive.google.com\/file\/d\/10IDxeG_5F3gLkh9RG-kgACxe7x7VKwyd\/preview\" width=\"940\" height=\"2300\" allow=\"autoplay\"><\/iframe><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Exercices sur le second degr\u00e9 &nbsp;1) D\u00e9velopper chacune des fonctions du second degr\u00e9 suivantes: 2) D\u00e9terminer les racines d&rsquo;un polyn\u00f4me du second degr\u00e9 donn\u00e9 sous forme factoris\u00e9e. 3) Trouver les racines \u00e9videntes des fonctions du second degr\u00e9 suivantes: 4) Trouver la deuxi\u00e8me solution d&rsquo;une \u00e9quation du second degr\u00e9 dont on conna\u00eet la premi\u00e8re. 5) Donner &hellip; <a href=\"https:\/\/www.lecours.lpmaths.fr\/?page_id=272\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Entra\u00eenement: Second degr\u00e9&nbsp;&raquo;<\/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-272","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.lecours.lpmaths.fr\/index.php?rest_route=\/wp\/v2\/pages\/272","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lecours.lpmaths.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lecours.lpmaths.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lecours.lpmaths.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lecours.lpmaths.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=272"}],"version-history":[{"count":2,"href":"https:\/\/www.lecours.lpmaths.fr\/index.php?rest_route=\/wp\/v2\/pages\/272\/revisions"}],"predecessor-version":[{"id":2060,"href":"https:\/\/www.lecours.lpmaths.fr\/index.php?rest_route=\/wp\/v2\/pages\/272\/revisions\/2060"}],"wp:attachment":[{"href":"https:\/\/www.lecours.lpmaths.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}