{"id":17510,"date":"2026-05-02T17:57:18","date_gmt":"2026-05-02T11:57:18","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/quadratic-concept-46\/"},"modified":"2026-05-02T17:57:18","modified_gmt":"2026-05-02T11:57:18","slug":"quadratic-concept-46","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/quadratic-concept-46\/","title":{"rendered":"Quadratic Concept 46"},"content":{"rendered":"<p>Find the roots of x^2 + 7x &#8211; 8 = 0.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>1 and -8<\/li>\n<li>-7 and -8<\/li>\n<li>-1 and 8<\/li>\n<li>1 and 8<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2705,2710],"subject":[1425],"education_level":[1895],"class_list":["post-17510","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-quadratic-equations","subject-mathematics","education_level-ssc"],"mcq_note":"To find the roots, we need the values of x that make the equation equal to zero. Here the quadratic is x^2 + 7x - 8 = 0. Look for two numbers whose product is -8 and whose sum is 7. Those numbers help us factor the expression, so each factor is set equal to zero. Solving the two simple equations gives x = 1 and -8. Therefore, the correct answer is 1 and -8.","mcq_options":[{"right":"yes","answer":"1 and -8"},{"right":"no","answer":"-7 and -8"},{"right":"no","answer":"-1 and 8"},{"right":"no","answer":"1 and 8"}],"multi_answers":"no","subject_terms":[{"id":1425,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":2705,"title":"Algebra","slug":"algebra"},{"id":2710,"title":"Quadratic Equations","slug":"quadratic-equations"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/17510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=17510"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=17510"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=17510"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=17510"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=17510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}