{"id":2327,"date":"2026-05-18T18:45:52","date_gmt":"2026-05-18T18:45:52","guid":{"rendered":"https:\/\/mcqacademy.com\/zh\/mcq\/select-factors-of-a-cubic-15\/"},"modified":"2026-05-18T18:45:52","modified_gmt":"2026-05-18T18:45:52","slug":"select-factors-of-a-cubic-15","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/zh\/mcq\/select-factors-of-a-cubic-15\/","title":{"rendered":"\u9009\u62e9\u4e09\u6b21\u591a\u9879\u5f0f\u7684\u56e0\u5f0f 15"},"content":{"rendered":"<p>\u5bf9\u4e8e P(x) = x^3 &#8211; x^2 &#8211; 25*x + 25\uff0c\u4e0b\u5217\u54ea\u4e9b\u662f\u5b83\u7684\u56e0\u5f0f\uff1f\u8bf7\u9009\u62e9\u6240\u6709\u6b63\u786e\u9009\u9879\u3002<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>x &#8211; (7)<\/li>\n<li>x &#8211; (-6)<\/li>\n<li>x &#8211; (5)<\/li>\n<li>x &#8211; (-2)<\/li>\n<li>x &#8211; (-5)<\/li>\n<li>x &#8211; (-3)<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1079,1109,1108],"subject":[1080],"education_level":[5],"class_list":["post-2327","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-cubic-polynomials","topic-factor-theorem","subject-algebra","education_level-hsc"],"mcq_note":"\u4f7f\u7528\u56e0\u5f0f\u5b9a\u7406\u3002\u5f62\u5982 x - a \u7684\u5f0f\u5b50\u53ea\u6709\u5728 P(a) = 0 \u65f6\u624d\u662f P(x) \u7684\u56e0\u5f0f\u3002\u56e0\u6b64\u4e0d\u8981\u53ea\u51ed\u5916\u89c2\u9009\u62e9\u56e0\u5f0f\uff0c\u800c\u8981\u68c0\u9a8c\u62ec\u53f7\u4e2d\u7684\u6570\u503c\u3002\u5bf9\u8fd9\u4e2a\u591a\u9879\u5f0f\u6765\u8bf4\uff0c\u5217\u51fa\u7684\u6b63\u786e\u56e0\u5f0f\u662f x - (5), x - (-5)\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cx - (5) \u56e0\u4e3a P(5) = 0, x - (-5) \u56e0\u4e3a P(-5) = 0\u3002\u5176\u4ed6\u9009\u9879\u4e0d\u662f\u56e0\u5f0f\uff0c\u56e0\u4e3a\u4ee3\u5165\u5bf9\u5e94\u7684\u6570\u503c\u540e\uff0c\u591a\u9879\u5f0f\u4e0d\u7b49\u4e8e 0\u3002","mcq_options":[{"right":"no","answer":"x - (7)"},{"right":"no","answer":"x - (-6)"},{"right":"yes","answer":"x - (5)"},{"right":"no","answer":"x - (-2)"},{"right":"yes","answer":"x - (-5)"},{"right":"no","answer":"x - (-3)"}],"multi_answers":"yes","subject_terms":[{"id":1080,"title":"Algebra","slug":"algebra"}],"topic_terms":[{"id":1079,"title":"Algebra","slug":"algebra"},{"id":1109,"title":"Cubic Polynomials","slug":"cubic-polynomials"},{"id":1108,"title":"Factor Theorem","slug":"factor-theorem"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq\/2327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/comments?post=2327"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/media?parent=2327"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/topic?post=2327"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/subject?post=2327"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/education_level?post=2327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}