{"id":291,"date":"2023-08-12T12:00:38","date_gmt":"2023-08-12T12:00:38","guid":{"rendered":"https:\/\/www.wagammaths.com\/?page_id=291"},"modified":"2023-08-12T12:06:55","modified_gmt":"2023-08-12T12:06:55","slug":"racines-carrees-3e","status":"publish","type":"page","link":"https:\/\/www.wagammaths.com\/index.php\/3e\/racines-carrees-3e\/","title":{"rendered":"Racines carr\u00e9es 3e"},"content":{"rendered":"<p><span style=\"color: #000000;\">En\u00a0math\u00e9matiques \u00e9l\u00e9mentaires,\u00a0<b>la racine carr\u00e9e<\/b>\u00a0d&#8217;un nombre r\u00e9el positif\u00a0<span class=\"texhtml\"><i>x<\/i><\/span>\u00a0est l&#8217;unique r\u00e9el positif qui, lorsqu&#8217;il est multipli\u00e9 par lui-m\u00eame, donne\u00a0<span class=\"texhtml\"><i>x<\/i><\/span>, c&#8217;est-\u00e0-dire le nombre positif dont le\u00a0<a style=\"color: #000000;\" title=\"Carr\u00e9 (alg\u00e8bre)\" href=\"https:\/\/fr.wikipedia.org\/wiki\/Carr%C3%A9_(alg%C3%A8bre)\">carr\u00e9<\/a>\u00a0vaut\u00a0<span class=\"texhtml\"><i>x<\/i><\/span>. On le note\u00a0<span class=\"racine texhtml\">\u221a<i>x<\/i><\/span>\u00a0ou\u00a0<span class=\"texhtml\"><i>x<\/i><sup>1\/2<\/sup><\/span>. Dans cette expression,\u00a0<span class=\"texhtml\"><i>x<\/i><\/span>\u00a0est appel\u00e9 le\u00a0<b>radicande<\/b> et le signe\u00a0<span class=\"mwe-math-element\"><img decoding=\"async\" class=\"mwe-math-fallback-image-inline\" src=\"https:\/\/wikimedia.org\/api\/rest_v1\/media\/math\/render\/svg\/62a3244ffb6799c0ac7189a9acf3a4d7b2c55e8c\" alt=\"{\\displaystyle {\\sqrt {\\quad }}}\" aria-hidden=\"true\" \/><\/span>\u00a0est appel\u00e9 le\u00a0<b>radical<\/b><sup id=\"cite_ref-1\" class=\"reference\"><a style=\"color: #000000;\" href=\"https:\/\/fr.wikipedia.org\/wiki\/Racine_carr%C3%A9e#cite_note-1\">1<\/a><\/sup>. La\u00a0fonction\u00a0qui, \u00e0 tout r\u00e9el positif, associe sa racine carr\u00e9e s&#8217;appelle la\u00a0<b>fonction racine carr\u00e9e<\/b>.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><a class=\"maxbutton-1 maxbutton maxbutton-e79591e7a9a9\" title=\"Acc\u00e9der aux quiz de ce chapitre\" href=\"https:\/\/www.wagammaths.com\/index.php\/3e\/racines-carrees-3e\/racines-carrees-3e-quiz\/\"><span class='mb-text'>Quiz<\/span><\/a> <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En\u00a0math\u00e9matiques \u00e9l\u00e9mentaires,\u00a0la racine carr\u00e9e\u00a0d&#8217;un nombre r\u00e9el positif\u00a0x\u00a0est l&#8217;unique r\u00e9el positif qui, lorsqu&#8217;il est multipli\u00e9 par lui-m\u00eame, donne\u00a0x, c&#8217;est-\u00e0-dire le nombre positif dont le\u00a0carr\u00e9\u00a0vaut\u00a0x. On le&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":65,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-291","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/pages\/291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/comments?post=291"}],"version-history":[{"count":4,"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/pages\/291\/revisions"}],"predecessor-version":[{"id":297,"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/pages\/291\/revisions\/297"}],"up":[{"embeddable":true,"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/pages\/65"}],"wp:attachment":[{"href":"https:\/\/www.wagammaths.com\/index.php\/wp-json\/wp\/v2\/media?parent=291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}