{"id":22927,"date":"2022-11-03T17:10:34","date_gmt":"2022-11-03T17:10:34","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=22927"},"modified":"2022-11-03T17:50:31","modified_gmt":"2022-11-03T17:50:31","slug":"verdadeiro-ou-falso-5","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=22927","title":{"rendered":"Verdadeiro ou falso?"},"content":{"rendered":"\n<p><ul id='GTTabs_ul_22927' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_22927' class='GTTabs_curr'><a  id=\"22927_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_22927' ><a  id=\"22927_1\" onMouseOver=\"GTTabsShowLinks('Resolu\u00e7\u00e3o'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Resolu\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n\n<div class='GTTabs_divs GTTabs_curr_div' id='GTTabs_0_22927'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>Assinala com V se a afirma\u00e7\u00e3o for verdadeira ou com F se a afirma\u00e7\u00e3o for falsa.<\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>\\(\\frac{1}{3}\\) \u00e9 um n\u00famero real menor do que \\(1\\);<\/li>\n<li>\\(\\sqrt {16} \\) \u00e9 um n\u00famero natural;<\/li>\n<li>\\(\\sqrt {\\frac{4}{9}} \\) \u00e9 um n\u00famero inteiro;<\/li>\n<li>\\(\\sqrt 3 \\) \u00e9 um n\u00famero racional;<\/li>\n<li>\\(\\sqrt {10} \\) \u00e9 um n\u00famero real menor do que \\(3\\).<\/li>\n<\/ol>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_22927' onClick='GTTabs_show(1,22927)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_22927'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<table style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td><strong>Al\u00ednea<\/strong><\/td>\n<td><strong>Afirma\u00e7\u00e3o<\/strong><\/td>\n<td><strong>Valor l\u00f3gico<\/strong><\/td>\n<td><strong>Justifica\u00e7\u00e3o<\/strong><\/td>\n<\/tr>\n<tr>\n<td>a)<\/td>\n<td>\n<p>\\(\\frac{1}{3}\\) \u00e9 um n\u00famero real menor do que \\(1\\)<\/p>\n<\/td>\n<td>V<\/td>\n<td>\\(\\frac{1}{3} = 0,\\left( 3 \\right)\\) \u00e9 um n\u00famero racional inferior a \\(1\\). Logo, tamb\u00e9m \u00e9 real menor do que \\(1\\).<\/td>\n<\/tr>\n<tr>\n<td>b)<\/td>\n<td>\\(\\sqrt {16} \\) \u00e9 um n\u00famero natural<\/td>\n<td>V<\/td>\n<td>\\(\\sqrt {16} \\) \u00e9 um n\u00famero natural, pois\u00a0\\(\\sqrt {16} = 4\\).<\/td>\n<\/tr>\n<tr>\n<td>c)<\/td>\n<td>\\(\\sqrt {\\frac{4}{9}} \\) \u00e9 um n\u00famero inteiro<\/td>\n<td>F<\/td>\n<td>\\(\\sqrt {\\frac{4}{9}} = \\frac{2}{3}\\) \u00e9 um n\u00famero fracion\u00e1rio.<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\\(\\sqrt 3 \\) \u00e9 um n\u00famero racional<\/td>\n<td>F<\/td>\n<td>Como \\(3\\) n\u00e3o \u00e9 um quadrado perfeito, ent\u00e3o \\(\\sqrt 3 \\) tem d\u00edzima infinita n\u00e3o peri\u00f3dica. Logo, \\(\\sqrt 3 \\) \u00e9 um n\u00famero irracional.<\/td>\n<\/tr>\n<tr>\n<td>e)<\/td>\n<td>\n<p>\\(\\sqrt {10} \\) \u00e9 um n\u00famero real menor do que \\(3\\)<\/p>\n<\/td>\n<td>F<\/td>\n<td>\u00a0\n<p>\\(\\sqrt {10} \\) \u00e9 um n\u00famero real maior do que \\(3\\).<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_22927' onClick='GTTabs_show(0,22927)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado Assinala com V se a afirma\u00e7\u00e3o for verdadeira ou com F se a afirma\u00e7\u00e3o for falsa. \\(\\frac{1}{3}\\) \u00e9 um n\u00famero real menor do que \\(1\\); \\(\\sqrt {16} \\) \u00e9 um n\u00famero&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":14060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[100,97,664],"tags":[424,259,680,262,266],"series":[],"class_list":["post-22927","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-8--ano","category-aplicando","category-numeros-reais","tag-8-o-ano","tag-numeros-irracionais","tag-numeros-naturais","tag-numeros-racionais","tag-numeros-reais"],"views":140,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/03\/Mat05.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/22927","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22927"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/22927\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22927"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=22927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}