{"id":18161,"date":"2026-05-02T22:25:49","date_gmt":"2026-05-02T16:25:49","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/partial-fraction-decomposition-11\/"},"modified":"2026-05-02T22:25:49","modified_gmt":"2026-05-02T16:25:49","slug":"partial-fraction-decomposition-11","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/partial-fraction-decomposition-11\/","title":{"rendered":"Partial Fraction Decomposition 11"},"content":{"rendered":"<p>Decompose (-2*x &#8211; 6)\/((x + 4)(x + 5)) into partial fractions.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>2\/(x + 4) + -4\/(x + 5)<\/li>\n<li>-2\/(x + 4)<\/li>\n<li>2\/(x + 5) &#8211; -4\/(x + 4)<\/li>\n<li>-4\/(x + 4) + 2\/(x + 5)<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2705],"subject":[1425],"education_level":[1896],"class_list":["post-18161","mcq","type-mcq","status-publish","hentry","topic-algebra","subject-mathematics","education_level-hsc"],"mcq_note":"Because the denominator is a product of two different linear factors, split the fraction into two simpler fractions, one over each factor. Assume A\/(x+4) + B\/(x+5). Combining gives [A(x+5)+B(x+4)]\/[(x+4)(x+5)]. Matching coefficients gives A=2, B=-4. In practice, compare the coefficient of x and the constant term on both sides to find A and B. After A and B are found, place them above their matching denominators to get the partial fraction form.","mcq_options":[{"right":"yes","answer":"2\/(x + 4) + -4\/(x + 5)"},{"right":"no","answer":"-2\/(x + 4)"},{"right":"no","answer":"2\/(x + 5) - -4\/(x + 4)"},{"right":"no","answer":"-4\/(x + 4) + 2\/(x + 5)"}],"multi_answers":"no","subject_terms":[{"id":1425,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":2705,"title":"Algebra","slug":"algebra"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/18161","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=18161"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=18161"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=18161"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=18161"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=18161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}