{"id":2566,"date":"2026-05-18T21:02:08","date_gmt":"2026-05-18T21:02:08","guid":{"rendered":"https:\/\/mcqacademy.com\/zh\/mcq\/radical-equation-exact-solution-14\/"},"modified":"2026-05-18T21:02:08","modified_gmt":"2026-05-18T21:02:08","slug":"radical-equation-exact-solution-14","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/zh\/mcq\/radical-equation-exact-solution-14\/","title":{"rendered":"\u6839\u5f0f\u65b9\u7a0b\u7cbe\u786e\u89e3 14"},"content":{"rendered":"<p>\u6c42\u89e3 \u221a(x + -2) = 7\u3002<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>47<\/li>\n<li>-51<\/li>\n<li>51<\/li>\n<li>9<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1079,1125],"subject":[1080],"education_level":[5],"class_list":["post-2566","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-equations","subject-algebra","education_level-hsc"],"mcq_note":"\u9996\u5148\u8981\u8bb0\u4f4f\uff0c\u5e73\u65b9\u6839\u7b26\u53f7\u8868\u793a\u975e\u8d1f\u6839\u3002\u672c\u9898\u8981\u6c42 \u221a(x + -2) \u7b49\u4e8e 7\u3002\u4e3a\u4e86\u53bb\u6389\u5e73\u65b9\u6839\uff0c\u53ef\u4ee5\u5c06\u7b49\u5f0f\u4e24\u8fb9\u540c\u65f6\u5e73\u65b9\uff0c\u5f97\u5230\u6839\u53f7\u5185\u7684\u8868\u8fbe\u5f0f\u7b49\u4e8e 7\u00b2 = 49\u3002\u7136\u540e\u79fb\u9879\u89e3\u51fa x\u3002\u6700\u540e\u4e00\u5b9a\u8981\u68c0\u9a8c\u6839\u5f0f\u65b9\u7a0b\uff1a\u628a x = 51 \u4ee3\u56de\u539f\u5f0f\u65f6\uff0c\u6839\u53f7\u5185\u4e3a\u975e\u8d1f\u6570\uff0c\u5e76\u4e14\u5e73\u65b9\u6839\u7b49\u4e8e 7\u3002\u56e0\u6b64\u6b63\u786e\u7b54\u6848\u662f 51\u3002","mcq_options":[{"right":"no","answer":"47"},{"right":"no","answer":"-51"},{"right":"yes","answer":"51"},{"right":"no","answer":"9"}],"multi_answers":"no","subject_terms":[{"id":1080,"title":"Algebra","slug":"algebra"}],"topic_terms":[{"id":1079,"title":"Algebra","slug":"algebra"},{"id":1125,"title":"Equations","slug":"equations"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq\/2566","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=2566"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/media?parent=2566"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/topic?post=2566"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/subject?post=2566"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/education_level?post=2566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}