{"id":70661,"date":"2025-08-19T19:43:37","date_gmt":"2025-08-19T19:43:37","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/"},"modified":"2025-08-19T19:43:37","modified_gmt":"2025-08-19T19:43:37","slug":"20-quadratic-equations-quiz-questions-and-answers","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/","title":{"rendered":"20 Quadratic Equations Quiz Questions and Answers"},"content":{"rendered":"<p>Quadratic equations are polynomial equations of the second degree, typically written in the standard form \\(ax^2 + bx + c = 0\\), where \\(a\\), \\(b\\), and \\(c\\) are constants, and \\(a \\neq 0\\).<\/p>\n<p>The solutions can be found using the quadratic formula: \\(x = \\frac{-b \\pm \\sqrt{b^2 &#8211; 4ac}}{2a}\\). The discriminant, \\(b^2 &#8211; 4ac\\), determines the nature of the roots: positive for two distinct real roots, zero for one real root, and negative for two complex roots.<\/p>\n<p>Graphically, quadratic equations represent parabolas. If \\(a > 0\\), the parabola opens upwards; if \\(a < 0\\), it opens downwards. The vertex, axis of symmetry, and y-intercept provide key insights into the graph's shape and position.\n\nQuadratic equations have wide applications in fields like physics (e.g., projectile motion), engineering (e.g., optimization problems), and economics (e.g., maximizing revenue). For instance, solving \\(x^2 - 4x + 3 = 0\\) yields roots \\(x = 1\\) and \\(x = 3\\), which might represent break-even points in a business model.\n\n\n\n<h3>Table of contents<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#1\">Part 1: Create an amazing quadratic equations quiz using AI instantly in OnlineExamMaker<\/a><\/li>\n<li><a href=\"#2\">Part 2: 20 quadratic equations quiz questions &#038; answers<\/a><\/li>\n<li><a href=\"#3\">Part 3: AI Question Generator &#8211; Automatically create questions for your next assessment <\/a><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2025\/09\/1931-quadratic-equations.webp\" alt=\"\"\/><\/p>\n<h3 id=\"1\">Part 1: Create an amazing quadratic equations quiz using AI instantly in OnlineExamMaker<\/h3>\n<p>Nowadays more and more people create quadratic equations quizzes using AI technologies, OnlineExamMaker a powerful AI-based quiz making tool that can save you time and efforts. The software makes it simple to design and launch interactive quizzes, assessments, and surveys. With the Question Editor, you can create multiple-choice, open-ended, matching, sequencing and many other types of questions for your tests, exams and inventories. You are allowed to enhance quizzes with multimedia elements like images, audio, and video to make them more interactive and visually appealing.<\/p>\n<p><strong>Recommended features for you:<\/strong><br \/>\n\u25cf Prevent cheating by randomizing questions or changing the order of questions, so learners don&#8217;t get the same set of questions each time.<br \/>\n\u25cf Automatically generates detailed reports\u2014individual scores, question report, and group performance.<br \/>\n\u25cf Simply copy a few lines of codes, and add them to a web page, you can present your online quiz in your website, blog, or landing page.<br \/>\n\u25cf Offers question analysis to evaluate question performance and reliability, helping instructors optimize their training plan.<\/p>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">Automatically generate questions using AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Try AI Question Generator<\/a><\/div>\n<div class=\"p-style-b\">Generate questions for any topic<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> Create A Quiz<\/a><\/div>\n<div class=\"p-style-b\">100% free forever<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"2\">Part 2: 20 quadratic equations quiz questions &#038; answers<\/h3>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Copy Quiz Questions<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">Generate Questions using AI<\/button><\/p>\n<div id=\"copy_questions\">\n<p><strong>Question 1<\/strong>:<br \/>\nSolve the quadratic equation \\(x^2 + 5x + 6 = 0\\).<br \/>\nA. \\(x = -2, -3\\)<br \/>\nB. \\(x = 2, 3\\)<br \/>\nC. \\(x = -1, -6\\)<br \/>\nD. \\(x = 1, 6\\)  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Factoring the equation gives \\((x + 2)(x + 3) = 0\\), so the roots are \\(x = -2\\) and \\(x = -3\\).<\/p>\n<p><strong>Question 2<\/strong>:<br \/>\nSolve \\(2x^2 &#8211; 3x &#8211; 2 = 0\\).<br \/>\nA. \\(x = 2, -0.5\\)<br \/>\nB. \\(x = -2, 1\\)<br \/>\nC. \\(x = 2, 1\\)<br \/>\nD. \\(x = -1, 2\\)  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Using the quadratic formula \\(x = \\frac{-b \\pm \\sqrt{b^2 &#8211; 4ac}}{2a}\\) where a=2, b=-3, c=-2, we get \\(x = \\frac{3 \\pm \\sqrt{9 + 16}}{4} = \\frac{3 \\pm 5}{4}\\), so \\(x = 2\\) or \\(x = -0.5\\).<\/p>\n<p><strong>Question 3<\/strong>:<br \/>\nFind the roots of \\(x^2 &#8211; 4x + 4 = 0\\).<br \/>\nA. \\(x = 2, 2\\)<br \/>\nB. \\(x = -2, -2\\)<br \/>\nC. \\(x = 4, 1\\)<br \/>\nD. No real roots  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Factoring gives \\((x &#8211; 2)^2 = 0\\), so the double root is \\(x = 2\\).<\/p>\n<p><strong>Question 4<\/strong>:<br \/>\nSolve \\(3x^2 + 2x &#8211; 1 = 0\\).<br \/>\nA. \\(x = 0.5, -2\/3\\)<br \/>\nB. \\(x = 1, -1\\)<br \/>\nC. \\(x = 0.33, -1\\)<br \/>\nD. \\(x = -0.5, 1\\)  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Quadratic formula: \\(x = \\frac{-2 \\pm \\sqrt{4 + 12}}{6} = \\frac{-2 \\pm \\sqrt{16}}{6} = \\frac{-2 \\pm 4}{6}\\), so \\(x = 0.5\\) or \\(x = -2\/3\\).<\/p>\n<p><strong>Question 5<\/strong>:<br \/>\nWhat are the solutions to \\(x^2 + 6x + 9 = 0\\)?<br \/>\nA. \\(x = -3, -3\\)<br \/>\nB. \\(x = 3, 3\\)<br \/>\nC. \\(x = -9, 1\\)<br \/>\nD. No solutions  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Factoring: \\((x + 3)^2 = 0\\), so \\(x = -3\\) (repeated root).<\/p>\n<p><strong>Question 6<\/strong>:<br \/>\nDetermine the discriminant of \\(2x^2 + 4x + 2 = 0\\).<br \/>\nA. 0<br \/>\nB. 8<br \/>\nC. -8<br \/>\nD. 4  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Discriminant = \\(b^2 &#8211; 4ac = 16 &#8211; 16 = 0\\), indicating one real root.<\/p>\n<p><strong>Question 7<\/strong>:<br \/>\nFor the equation \\(x^2 &#8211; 5x + 6 = 0\\), what is the discriminant?<br \/>\nA. 1<br \/>\nB. 25<br \/>\nC. 1<br \/>\nD. 1  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Discriminant = \\(25 &#8211; 24 = 1\\), indicating two distinct real roots.<\/p>\n<p><strong>Question 8<\/strong>:<br \/>\nCalculate the discriminant for \\(3x^2 &#8211; 2x + 1 = 0\\).<br \/>\nA. -8<br \/>\nB. 4<br \/>\nC. 8<br \/>\nD. 0  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Discriminant = \\(4 &#8211; 12 = -8\\), which is negative, so no real roots.<\/p>\n<p><strong>Question 9<\/strong>:<br \/>\nWhat is the discriminant of \\(x^2 + x + 1 = 0\\)?<br \/>\nA. -3<br \/>\nB. 1<br \/>\nC. 5<br \/>\nD. 3  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Discriminant = \\(1 &#8211; 4 = -3\\), indicating complex roots.<\/p>\n<p><strong>Question 10<\/strong>:<br \/>\nFor \\(4x^2 + 4x + 1 = 0\\), find the discriminant.<br \/>\nA. 0<br \/>\nB. 12<br \/>\nC. -12<br \/>\nD. 4  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Discriminant = \\(16 &#8211; 16 = 0\\), so one real root.<\/p>\n<p><strong>Question 11<\/strong>:<br \/>\nFind the vertex of the parabola \\(y = x^2 &#8211; 4x + 3\\).<br \/>\nA. (2, -1)<br \/>\nB. (-2, 3)<br \/>\nC. (4, 3)<br \/>\nD. (0, 3)  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Vertex formula: \\(x = -\\frac{b}{2a} = \\frac{4}{2} = 2\\), then y = (2)^2 &#8211; 4(2) + 3 = -1, so vertex is (2, -1).<\/p>\n<p><strong>Question 12<\/strong>:<br \/>\nWhat is the vertex of \\(y = 2x^2 + 8x + 5\\)?<br \/>\nA. (-2, -3)<br \/>\nB. (2, 5)<br \/>\nC. (-4, 5)<br \/>\nD. (0, 5)  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: \\(x = -\\frac{8}{4} = -2\\), then y = 2(-2)^2 + 8(-2) + 5 = -3, so vertex is (-2, -3).<\/p>\n<p><strong>Question 13<\/strong>:<br \/>\nFor \\(y = -x^2 + 2x &#8211; 1\\), determine the vertex.<br \/>\nA. (1, 0)<br \/>\nB. (-1, 0)<br \/>\nC. (2, -1)<br \/>\nD. (0, -1)  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: \\(x = -\\frac{2}{2(-1)} = 1\\), then y = -(1)^2 + 2(1) &#8211; 1 = 0, so vertex is (1, 0).<\/p>\n<p><strong>Question 14<\/strong>:<br \/>\nFind the vertex of \\(y = 3x^2 &#8211; 6x + 2\\).<br \/>\nA. (1, -1)<br \/>\nB. (2, 2)<br \/>\nC. (-1, 2)<br \/>\nD. (0, 2)  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: \\(x = \\frac{6}{6} = 1\\), then y = 3(1)^2 &#8211; 6(1) + 2 = -1, so vertex is (1, -1).<\/p>\n<p><strong>Question 15<\/strong>:<br \/>\nWhat is the vertex for \\(y = x^2 + 2x + 1\\)?<br \/>\nA. (-1, 0)<br \/>\nB. (1, 1)<br \/>\nC. (-1, 1)<br \/>\nD. (0, 1)  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: \\(x = -\\frac{2}{2} = -1\\), then y = (-1)^2 + 2(-1) + 1 = 0, so vertex is (-1, 0).<\/p>\n<p><strong>Question 16<\/strong>:<br \/>\nA rectangle has a length 2 more than its width. If the area is 15 square units, what is the width?<br \/>\nA. 3 units<br \/>\nB. 5 units<br \/>\nC. 2 units<br \/>\nD. 4 units  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Let width = x, then length = x+2. Equation: x(x+2) = 15 \u2192 x^2 + 2x &#8211; 15 = 0. Solving: x = [-2 \u00b1 \u221a(4+60)]\/2 = [-2 \u00b1 \u221a64]\/2 = [-2 + 8]\/2 = 3 (positive root).<\/p>\n<p><strong>Question 17<\/strong>:<br \/>\nThe sum of two numbers is 10, and their product is 24. What are the numbers?<br \/>\nA. 6 and 4<br \/>\nB. 8 and 2<br \/>\nC. 12 and -2<br \/>\nD. 5 and 5  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Let numbers be x and y. x + y = 10, xy = 24. Quadratic: t^2 &#8211; 10t + 24 = 0 \u2192 (t-6)(t-4)=0, so numbers are 6 and 4.<\/p>\n<p><strong>Question 18<\/strong>:<br \/>\nA ball is thrown upwards with initial velocity 20 m\/s. When does it reach the ground? (Use h = ut &#8211; 0.5gt^2, h=0)<br \/>\nA. 4 seconds<br \/>\nB. 2 seconds<br \/>\nC. 5 seconds<br \/>\nD. 10 seconds  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: 0 = 20t &#8211; 0.5(10)t^2 \u2192 5t^2 &#8211; 20t = 0 \u2192 5t(t-4)=0, so t=4 seconds (ignoring t=0).<\/p>\n<p><strong>Question 19<\/strong>:<br \/>\nIf the profit function is P = -2x^2 + 100x &#8211; 500, what production level maximizes profit?<br \/>\nA. 25 units<br \/>\nB. 50 units<br \/>\nC. 100 units<br \/>\nD. 20 units  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Vertex: x = -b\/2a = -100\/(2*(-2)) = 25 units.<\/p>\n<p><strong>Question 20<\/strong>:<br \/>\nTwo pipes fill a tank in 4 and 6 hours respectively. How long to fill together?<br \/>\nA. 2.4 hours<br \/>\nB. 3 hours<br \/>\nC. 4 hours<br \/>\nD. 2 hours  <\/p>\n<p><strong>Answer<\/strong>: A<br \/>\n<strong>Explanation<\/strong>: Let t be time. Equation: (1\/4 + 1\/6)t = 1 \u2192 (3\/12 + 2\/12)t = 1 \u2192 (5\/12)t = 1 \u2192 t = 12\/5 = 2.4 hours.<\/p>\n<\/div>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Copy Quiz Questions<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">Generate Questions using AI<\/button><\/p>\n<h3 id=\"3\">Part 3: AI Question Generator &#8211; Automatically create questions for your next assessment<\/h3>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">Automatically generate questions using AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Try AI Question Generator<\/a><\/div>\n<div class=\"p-style-b\">Generate questions for any topic<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> Create A Quiz<\/a><\/div>\n<div class=\"p-style-b\">100% free forever<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script src=\"https:\/\/unpkg.com\/@popperjs\/core@2\"><\/script><br \/>\n<script src=\"https:\/\/unpkg.com\/tippy.js@6\"><\/script><\/p>\n<p><script type=\"text\/javascript\">\nfunction myFunction() {\nvar copyText = document.getElementById(\"copy_questions\");console.log(copyText.innerText);navigator.clipboard.writeText(copyText.innerText);\n}\nfunction myFunction1() {\n\u00a0  \u00a0 \u00a0 window.open(\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html\");\n\u00a0 }\nvar copy1, copy2;\n        tippy('#copyquestionsBtn', {\n        'content': \"Copy questions to clipboard\",\n       trigger: 'mouseenter',\n       'onCreate':function(instance){\n              copy1 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy2.hide();\n       }\n       });\n       tippy('#copyquestionsBtn', {\n       'content': \"Copied successfully\",\n       trigger: 'click',\n       'onCreate':function(instance){\n              copy2 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy1.hide();\n       }\n       });\ntippy('#genquestionsBtn', {\n        'content': \"Generate questions using AI for free\",\n         trigger: 'mouseenter'\n       });\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quadratic equations are polynomial equations of the second degree, typically written in the standard form \\(ax^2 + bx + c = 0\\), where \\(a\\), \\(b\\), and \\(c\\) are constants, and \\(a \\neq 0\\). The solutions can be found using the quadratic formula: \\(x = \\frac{-b \\pm \\sqrt{b^2 &#8211; 4ac}}{2a}\\). The discriminant, \\(b^2 &#8211; 4ac\\), determines [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":70275,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[353],"tags":[],"class_list":["post-70661","post","type-post","status-publish","format-standard","hentry","category-questions-answers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>20 Quadratic Equations Quiz Questions and Answers - OnlineExamMaker Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"20 Quadratic Equations Quiz Questions and Answers - OnlineExamMaker Blog\" \/>\n<meta property=\"og:description\" content=\"Quadratic equations are polynomial equations of the second degree, typically written in the standard form (ax^2 + bx + c = 0), where (a), (b), and (c) are constants, and (a neq 0). The solutions can be found using the quadratic formula: (x = frac{-b pm sqrt{b^2 &#8211; 4ac}}{2a}). The discriminant, (b^2 &#8211; 4ac), determines [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/\" \/>\n<meta property=\"og:site_name\" content=\"OnlineExamMaker Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-19T19:43:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2025\/09\/1931-quadratic-equations.webp\" \/>\n<meta name=\"author\" content=\"Rebecca\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rebecca\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/\",\"url\":\"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/\",\"name\":\"20 Quadratic Equations Quiz Questions and Answers - OnlineExamMaker Blog\",\"isPartOf\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#website\"},\"datePublished\":\"2025-08-19T19:43:37+00:00\",\"dateModified\":\"2025-08-19T19:43:37+00:00\",\"author\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/8447ed5937ab8046fa68476e432b32b2\"},\"breadcrumb\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/onlineexammaker.com\/kb\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"20 Quadratic Equations Quiz Questions and Answers\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#website\",\"url\":\"https:\/\/onlineexammaker.com\/kb\/\",\"name\":\"OnlineExamMaker Blog\",\"description\":\"OnlineExamMaker\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/onlineexammaker.com\/kb\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/8447ed5937ab8046fa68476e432b32b2\",\"name\":\"Rebecca\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/5f03edf06dd3745ea73e610a6d830a63?s=96&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/5f03edf06dd3745ea73e610a6d830a63?s=96&r=g\",\"caption\":\"Rebecca\"},\"url\":\"https:\/\/onlineexammaker.com\/kb\/author\/rebeccaoem\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"20 Quadratic Equations Quiz Questions and Answers - OnlineExamMaker Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/onlineexammaker.com\/kb\/20-quadratic-equations-quiz-questions-and-answers\/","og_locale":"en_US","og_type":"article","og_title":"20 Quadratic Equations Quiz Questions and Answers - OnlineExamMaker Blog","og_description":"Quadratic equations are polynomial equations of the second degree, typically written in the standard form (ax^2 + bx + c = 0), where (a), (b), and (c) are constants, and (a neq 0). The solutions can be found using the quadratic formula: (x = frac{-b pm sqrt{b^2 &#8211; 4ac}}{2a}). 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