{"id":2717,"date":"2023-07-21T01:08:00","date_gmt":"2023-07-21T01:08:00","guid":{"rendered":"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/"},"modified":"2023-07-21T01:08:00","modified_gmt":"2023-07-21T01:08:00","slug":"equacao-quadratica-excel","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/","title":{"rendered":"Como resolver uma equa\u00e7\u00e3o quadr\u00e1tica no excel (passo a passo)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Uma equa\u00e7\u00e3o quadr\u00e1tica assume a seguinte forma:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>machado <sup>2<\/sup> + bx + c = y<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Freq\u00fcentemente, voc\u00ea receber\u00e1 o valor de <strong>y<\/strong> e ser\u00e1 solicitado a resolver o valor de <strong>x<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, suponha que temos a seguinte equa\u00e7\u00e3o quadr\u00e1tica:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong><sup>4\u00d72<\/sup> \u2013 20x + 16 = -8<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Acontece que definir x = <strong>3<\/strong> ou x = <strong>2<\/strong> resolver\u00e1 esta equa\u00e7\u00e3o.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Para resolver equa\u00e7\u00f5es quadr\u00e1ticas no Excel, voc\u00ea pode usar a fun\u00e7\u00e3o <strong>Goal Seek<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">O exemplo passo a passo a seguir mostra como usar a fun\u00e7\u00e3o Goal Seek na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 1: insira a equa\u00e7\u00e3o<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Primeiro, vamos inserir um valor aleat\u00f3rio para x e a f\u00f3rmula da equa\u00e7\u00e3o quadr\u00e1tica para y:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23931 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/quad1.jpg\" alt=\"\" width=\"454\" height=\"353\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 2: Encontre o primeiro valor X usando a pesquisa de meta<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Em seguida, clique na guia <strong>Dados<\/strong> na faixa superior, clique no bot\u00e3o <strong>An\u00e1lise de varia\u00e7\u00f5es hipot\u00e9ticas<\/strong> e em <strong>Pesquisa de meta<\/strong> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23932 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/quad2.jpg\" alt=\"\" width=\"479\" height=\"353\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Na nova janela que aparece, especifique que deseja definir a c\u00e9lula <strong>B2<\/strong> igual a <strong>-8<\/strong> modificando o valor da c\u00e9lula <strong>A2<\/strong> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23933 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/quad3.jpg\" alt=\"\" width=\"474\" height=\"397\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Assim que clicarmos em <strong>OK<\/strong> , a fun\u00e7\u00e3o Goal Seek encontrar\u00e1 automaticamente o valor de x que resolve a equa\u00e7\u00e3o:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23934 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/quad4.jpg\" alt=\"\" width=\"432\" height=\"345\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Goal Seek descobre que o valor <strong>x = 2<\/strong> (assumindo que 1,9999 \u00e9 arredondado para 2) resolve a equa\u00e7\u00e3o quadr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 3: Encontre o segundo valor X usando o Goal Finder<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Para encontrar o segundo valor de x que resolve a equa\u00e7\u00e3o quadr\u00e1tica, defina o valor inicial de x para um n\u00famero diferente.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, poder\u00edamos escolher definir o valor inicial de x como 4:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23935 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/quad5.jpg\" alt=\"\" width=\"452\" height=\"363\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Podemos ent\u00e3o executar a fun\u00e7\u00e3o <strong>Goal Seek<\/strong> novamente e ver se ela encontra uma nova solu\u00e7\u00e3o de <strong>x=3<\/strong> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23936 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/quad6.jpg\" alt=\"\" width=\"460\" height=\"371\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Portanto, os dois valores de x que podem resolver esta equa\u00e7\u00e3o quadr\u00e1tica s\u00e3o <strong>x=2<\/strong> e <strong>x=3<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> Os tutoriais a seguir explicam como realizar outras tarefas comuns no Excel:<\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/resolver-um-sistema-de-equacoes-no-excel\/\" target=\"_blank\" rel=\"noopener\">Como resolver um sistema de equa\u00e7\u00f5es no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/desenhe-a-equacao-do-excel\/\" target=\"_blank\" rel=\"noopener\">Como tra\u00e7ar uma equa\u00e7\u00e3o no Excel<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uma equa\u00e7\u00e3o quadr\u00e1tica assume a seguinte forma: machado 2 + bx + c = y Freq\u00fcentemente, voc\u00ea receber\u00e1 o valor de y e ser\u00e1 solicitado a resolver o valor de x . Por exemplo, suponha que temos a seguinte equa\u00e7\u00e3o quadr\u00e1tica: 4\u00d72 \u2013 20x + 16 = -8 Acontece que definir x = 3 ou [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2717","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como resolver uma equa\u00e7\u00e3o quadr\u00e1tica no Excel (passo a passo) - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como resolver uma equa\u00e7\u00e3o quadr\u00e1tica no Excel, com um exemplo completo.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como resolver uma equa\u00e7\u00e3o quadr\u00e1tica no Excel (passo a passo) - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como resolver uma equa\u00e7\u00e3o quadr\u00e1tica no Excel, com um exemplo completo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T01:08:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/quad1.jpg\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/\",\"url\":\"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/\",\"name\":\"Como resolver uma equa\u00e7\u00e3o quadr\u00e1tica no Excel (passo a passo) - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-21T01:08:00+00:00\",\"dateModified\":\"2023-07-21T01:08:00+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como resolver uma equa\u00e7\u00e3o quadr\u00e1tica no Excel, com um exemplo completo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/equacao-quadratica-excel\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como resolver uma equa\u00e7\u00e3o quadr\u00e1tica no excel (passo a passo)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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