{"id":25211,"date":"2023-04-19T10:25:27","date_gmt":"2023-04-19T09:25:27","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=25211"},"modified":"2023-05-05T15:00:26","modified_gmt":"2023-05-05T14:00:26","slug":"a-turma-da-marta","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=25211","title":{"rendered":"A turma da Marta vai a Lisboa"},"content":{"rendered":"\n<p><ul id='GTTabs_ul_25211' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_25211' class='GTTabs_curr'><a  id=\"25211_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_25211' ><a  id=\"25211_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_25211'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>A turma da Marta desloca-se de Penafiel para Lisboa, num autocarro \u00e0 velocidade m\u00e9dia de 80 km\/h. Considera para origem dos tempos e do espa\u00e7o percorrido o instante em que fizeram uma paragem em Penafiel.<\/p>\n<ol>\n<li>Copia e completa a seguinte tabela.<br \/><br \/>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 16.6667%; background-color: #2a63d4;\"><span style=\"color: #ffffff;\">Tempo (horas)<\/span><\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\( &#8211; 2\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\( &#8211; 1\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\(0\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\(1\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\(2\\)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6667%; background-color: #2a63d4;\"><span style=\"color: #ffffff;\">Espa\u00e7o (km)<\/span><\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\( &#8211; 160\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\u00a0<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\u00a0<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\u00a0<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\u00a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li>O que significam os valores \u22122 horas e \u2212160 km?<\/li>\n<li>Traduz esta situa\u00e7\u00e3o por uma express\u00e3o alg\u00e9brica e explica-a.<\/li>\n<\/ol>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_25211' onClick='GTTabs_show(1,25211)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_25211'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<blockquote>\n<p>A turma da Marta desloca-se de Penafiel para Lisboa, num autocarro \u00e0 velocidade m\u00e9dia de 80 km\/h. Considera para origem dos tempos e do espa\u00e7o percorrido o instante em que fizeram uma paragem em Penafiel.<\/p>\n<\/blockquote>\n<ol>\n<li>A tabela est\u00e1 completada abaixo.<br \/><br \/>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 16.6667%; background-color: #2a63d4;\"><span style=\"color: #ffffff;\">Tempo (horas)<\/span><\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\( &#8211; 2\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\( &#8211; 1\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\(0\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\(1\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\(2\\)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6667%; background-color: #2a63d4;\"><span style=\"color: #ffffff;\">Espa\u00e7o (km)<\/span><\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\">\\( &#8211; 160\\)<\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\"><span style=\"color: #0000ff;\">\\( &#8211; 80\\)<\/span><\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\"><span style=\"color: #0000ff;\">\\(0\\)<\/span><\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\"><span style=\"color: #0000ff;\">\\(80\\)<\/span><\/td>\n<td style=\"width: 16.6667%; background-color: #c1d8e8;\"><span style=\"color: #0000ff;\">\\(160\\)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li>\u22122 horas representa o instante 2 horas antes da chegada a Pombal;<br \/>e \u2212160 km significa que 2 horas antes de chegarem a Pombal se encontravam a 160 km da\u00ed.<br \/><br \/><\/li>\n<li>Esta situa\u00e7\u00e3o pode ser traduzida pela express\u00e3o \\(e = 80\\,t\\).<br \/>A constante representa a velocidade m\u00e9dia do autocarro: 80 km\/h.<\/li>\n<\/ol>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_25211' onClick='GTTabs_show(0,25211)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado A turma da Marta desloca-se de Penafiel para Lisboa, num autocarro \u00e0 velocidade m\u00e9dia de 80 km\/h. Considera para origem dos tempos e do espa\u00e7o percorrido o instante em que fizeram&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":21040,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[100,97,709],"tags":[424,345,710],"series":[],"class_list":["post-25211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-8--ano","category-aplicando","category-graficos-de-funcoes-afins","tag-8-o-ano","tag-funcao-afim","tag-funcao-linear"],"views":92,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2011\/11\/12V1Pag175-51_520x245.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/25211","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=25211"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/25211\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/21040"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25211"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=25211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}