{"id":2445,"date":"2026-05-18T20:17:39","date_gmt":"2026-05-18T20:17:39","guid":{"rendered":"https:\/\/mcqacademy.com\/zh\/mcq\/two-by-two-matrix-test-13\/"},"modified":"2026-05-18T20:17:39","modified_gmt":"2026-05-18T20:17:39","slug":"two-by-two-matrix-test-13","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/zh\/mcq\/two-by-two-matrix-test-13\/","title":{"rendered":"\u4e8c\u9636\u77e9\u9635\u6d4b\u8bd5 13"},"content":{"rendered":"<p>\u6c42\u77e9\u9635 [[2, 4], [-2, -4]] \u7684\u884c\u5217\u5f0f\u3002<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>-2<\/li>\n<li>-16<\/li>\n<li>0<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1079,1114],"subject":[1080],"education_level":[5],"class_list":["post-2445","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-matrices","subject-algebra","education_level-hsc"],"mcq_note":"\u5bf9\u4e8e 2\u00d72 \u77e9\u9635\uff0c\u8ba1\u7b97\u884c\u5217\u5f0f\u65f6\uff0c\u7528\u4e3b\u5bf9\u89d2\u7ebf\u4e58\u79ef\u51cf\u53bb\u53e6\u4e00\u6761\u5bf9\u89d2\u7ebf\u7684\u4e58\u79ef\u3002\u505a\u51cf\u6cd5\u65f6\u8981\u7279\u522b\u6ce8\u610f\u8d1f\u6570\u3002\u5bf9\u4e8e 2\u00d72 \u77e9\u9635 [[a,b],[c,d]]\uff0c\u884c\u5217\u5f0f\u4e3a ad-bc\u3002\u8fd9\u91cc det=2(-4)-4(-2)=0\u3002\u6700\u7ec8\u7684\u884c\u5217\u5f0f\u5c31\u662f\u5b8c\u6210\u8fd9\u4e2a\u5bf9\u89d2\u7ebf\u8ba1\u7b97\u540e\u5f97\u5230\u7684\u503c\u3002","mcq_options":[{"right":"no","answer":"-2"},{"right":"no","answer":"-16"},{"right":"yes","answer":"0"}],"multi_answers":"no","subject_terms":[{"id":1080,"title":"Algebra","slug":"algebra"}],"topic_terms":[{"id":1079,"title":"Algebra","slug":"algebra"},{"id":1114,"title":"Determinants","slug":"matrices"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq\/2445","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=2445"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/media?parent=2445"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/topic?post=2445"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/subject?post=2445"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/education_level?post=2445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}