{"id":11724,"date":"2014-01-30T21:49:07","date_gmt":"2014-01-30T21:49:07","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=11724"},"modified":"2022-01-22T01:07:22","modified_gmt":"2022-01-22T01:07:22","slug":"escreva-uma-equacao-fracionaria","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=11724","title":{"rendered":"Escreva uma equa\u00e7\u00e3o fracion\u00e1ria"},"content":{"rendered":"<p><ul id='GTTabs_ul_11724' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_11724' class='GTTabs_curr'><a  id=\"11724_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_11724' ><a  id=\"11724_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_11724'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>Escreva uma equa\u00e7\u00e3o fracion\u00e1ria que admita $2$ e $-3$ como solu\u00e7\u00f5es.<\/p>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_11724' onClick='GTTabs_show(1,11724)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_11724'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<p>Comecemos por considerar uma equa\u00e7\u00e3o que admita $2$ e $-3$ como solu\u00e7\u00f5es:<\/p>\n<p>\\[\\left( {x &#8211; 2} \\right)\\left( {x + 3} \\right) = 0\\]<\/p>\n<p>Desenvolvendo o primeiro membro da equa\u00e7\u00e3o, vem:<\/p>\n<p>\\[{x^2} + x &#8211; 6 = 0\\]<\/p>\n<p>Dividindo os dois membros por x, com $x \\ne 0$, temos:<\/p>\n<p>\\[x + 1 &#8211; \\frac{6}{x} = 0\\]<\/p>\n<p>Assim, a equa\u00e7\u00e3o fracion\u00e1ria seguinte admite $2$ e $-3$ como solu\u00e7\u00f5es:<\/p>\n<p><span style=\"color: #000080;\">\\[x + 1 = \\frac{6}{x}\\]<\/span><\/p>\n<\/p>\n<h4 style=\"text-align: center;\"><span style=\"background-color: #ffffff;\">Mecanismo de equa\u00e7\u00f5es fracion\u00e1rias que admitem $2$ e $-3$ como solu\u00e7\u00f5es<\/span><\/h4>\n<p>Interprete matematicamente o mecanismo seguinte:<\/p>\n<\/p>\n<p style=\"text-align: center;\"><script src=\"https:\/\/cdn.geogebra.org\/apps\/deployggb.js\"><\/script>\r\n<div id=\"ggbApplet\" style=\"margin: 0 auto;\"><\/div>\r\n<script>\r\nvar parameters = {\r\n\"id\": \"ggbApplet\",\r\n\"width\":904,\r\n\"height\":500,\r\n\"showMenuBar\":false,\r\n\"showAlgebraInput\":false,\r\n\"showToolBar\":false,\r\n\"customToolBar\":\"0 39 59 || 1 501 67 , 5 19 , 72 | 2 15 45 , 18 65 , 7 37 | 4 3 8 9 , 13 44 , 58 , 47 || 16 51 64 , 70 | 10 34 53 11 , 24  20 22 , 21 23 | 55 56 57 , 12 || 36 46 , 38 49 50 , 71 | 30 29 54 32 31 33 | 17 26 62 , 14 66 68 | 25 52 60 61 || 40 41 42 , 27 28 35 , 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