{"id":2488,"date":"2026-05-18T20:31:01","date_gmt":"2026-05-18T20:31:01","guid":{"rendered":"https:\/\/mcqacademy.com\/zh\/mcq\/quadratic-inequality-interval-16\/"},"modified":"2026-05-18T20:31:01","modified_gmt":"2026-05-18T20:31:01","slug":"quadratic-inequality-interval-16","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/zh\/mcq\/quadratic-inequality-interval-16\/","title":{"rendered":"\u4e8c\u6b21\u4e0d\u7b49\u5f0f\u533a\u95f4 16"},"content":{"rendered":"<p>\u6c42\u89e3\u4e0d\u7b49\u5f0f (x &#8211; (-8))(x &#8211; (4)) &lt; 0\u3002<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>x = -8 or x = 4<\/li>\n<li>x \u2264 -8 or x \u2265 4<\/li>\n<li>-8 &lt; x &lt; 4<\/li>\n<li>x &lt; -8 or x &gt; 4<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1079,1119,1118],"subject":[1080],"education_level":[5],"class_list":["post-2488","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-interval-notation","topic-quadratic-inequalities","subject-algebra","education_level-hsc"],"mcq_note":"\u5148\u627e\u4e34\u754c\u70b9\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u503c\u4f1a\u4f7f\u4e58\u79ef\u7b49\u4e8e 0\uff0c\u5e76\u628a\u6570\u8f74\u5206\u6210\u51e0\u4e2a\u533a\u95f4\u3002\u672c\u9898\u7684\u4e34\u754c\u70b9\u662f x=-8 \u548c x=4\u3002\u5bf9\u4e8e\u9996\u9879\u7cfb\u6570\u4e3a\u6b63\u7684\u4e24\u4e2a\u4e00\u6b21\u56e0\u5f0f\u7684\u4e58\u79ef\uff0c\u4e58\u79ef\u5728\u4e24\u4e2a\u6839\u7684\u5916\u4fa7\u4e3a\u6b63\uff0c\u5728\u4e24\u4e2a\u6839\u4e4b\u95f4\u4e3a\u8d1f\u3002\u672c\u9898\u8981\u6c42\u4e58\u79ef\u4e3a\u8d1f\uff0c\u6240\u4ee5\u89e3\u96c6\u662f -8 &lt; x &lt; 4\u3002\u6ce8\u610f\uff0c\u9898\u76ee\u662f\u4e0d\u7b49\u53f7\u800c\u4e0d\u662f\u7b49\u53f7\uff0c\u56e0\u6b64\u7aef\u70b9\u672c\u8eab\u4e0d\u5305\u542b\u5728\u89e3\u96c6\u4e2d\u3002","mcq_options":[{"right":"no","answer":"x = -8 or x = 4"},{"right":"no","answer":"x \u2264 -8 or x \u2265 4"},{"right":"yes","answer":"-8 &lt; x &lt; 4"},{"right":"no","answer":"x  4"}],"multi_answers":"no","subject_terms":[{"id":1080,"title":"Algebra","slug":"algebra"}],"topic_terms":[{"id":1079,"title":"Algebra","slug":"algebra"},{"id":1119,"title":"Interval Notation","slug":"interval-notation"},{"id":1118,"title":"Quadratic Inequalities","slug":"quadratic-inequalities"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/mcq\/2488","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=2488"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/media?parent=2488"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/topic?post=2488"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/subject?post=2488"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/zh\/wp-json\/wp\/v2\/education_level?post=2488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}