{"id":17506,"date":"2026-05-02T17:56:24","date_gmt":"2026-05-02T11:56:24","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/quadratic-concept-42\/"},"modified":"2026-05-02T17:56:24","modified_gmt":"2026-05-02T11:56:24","slug":"quadratic-concept-42","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/quadratic-concept-42\/","title":{"rendered":"Quadratic Concept 42"},"content":{"rendered":"<p>For x^2 + 8x + 12 = 0, what is the sum of the roots? [Unique SSC algebra item 2]<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>12<\/li>\n<li>-8<\/li>\n<li>2<\/li>\n<li>8<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2705,2711],"subject":[1425],"education_level":[1895],"class_list":["post-17506","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-vieta-formula","subject-mathematics","education_level-ssc"],"mcq_note":"For a quadratic equation ax^2 + bx + c = 0, you do not need to find both roots when only the sum is asked. Use Vieta's formula: sum of roots = -b\/a. In x^2 + 8x + 12 = 0, a = 1 and b = 8. So the sum is -(8)\/1 = -8. Therefore, the correct answer is -8.","mcq_options":[{"right":"no","answer":"12"},{"right":"yes","answer":"-8"},{"right":"no","answer":"2"},{"right":"no","answer":"8"}],"multi_answers":"no","subject_terms":[{"id":1425,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":2705,"title":"Algebra","slug":"algebra"},{"id":2711,"title":"Vieta Formula","slug":"vieta-formula"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/17506","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=17506"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=17506"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=17506"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=17506"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=17506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}