{"common":{"save":0,"post_id":"6653","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6695","post_id":"6653","mon_id":"1158921","chapter_id":"1158933","question":"<p>\u0110\u01b0\u1eddng th\u1eb3ng <span class=\"math-tex\">$y = \\dfrac{1}{2}x-5$<\/span> có h\u1ec7 s\u1ed1 góc là:<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$ \\dfrac{-1}{2}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$ \\dfrac{1}{2}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$-5$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$5$<\/span>"],"correct":"2","level":"1","hint":"<p>Ta g\u1ecdi a là h\u1ec7 s\u1ed1 góc c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng <span class=\"math-tex\">$y=ax+b \\space (a\\ne0)$<\/span>.<\/p>","answer":"<p>\u0110\u01b0\u1eddng th\u1eb3ng <span class=\"math-tex\">$y = \\dfrac{1}{2}x-5$<\/span> có h\u1ec7 s\u1ed1 góc là: <span style=\"color:#16a085;\"><span class=\"math-tex\">$ \\dfrac{1}{2}$<\/span>.<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> <span class=\"math-tex\">$ \\dfrac{1}{2}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-02 01:44:48","option_type":"math","len":0},{"id":"6696","post_id":"6653","mon_id":"1158921","chapter_id":"1158933","question":"<p>\u0110\u01b0\u1eddng th\u1eb3ng nào có h\u1ec7 s\u1ed1 góc là 2?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$y=-2x-1$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$y=x+2$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$y=2x+5$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$y=-2x+2$<\/span>"],"correct":"3","level":"1","hint":"<p>Ta g\u1ecdi a là h\u1ec7 s\u1ed1 góc c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng y=ax+b (a≠0).<\/p>","answer":"<p><strong>A.<\/strong> <span class=\"math-tex\">$y=-2x-1$<\/span> có h\u1ec7 s\u1ed1 góc là –2.<\/p><p><strong>B.<\/strong> <span class=\"math-tex\">$y=x+2$<\/span> có h\u1ec7 s\u1ed1 góc là 1.<\/p><p><strong>C.<\/strong> <span class=\"math-tex\">$y=2x+5$<\/span> có h\u1ec7 s\u1ed1 góc là <span style=\"color:#16a085;\">2<\/span>.<\/p><p><strong>D.<\/strong> <span class=\"math-tex\">$y=-2x+2$<\/span> có h\u1ec7 s\u1ed1 góc là –2.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> <span class=\"math-tex\">$y=2x+5$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-02 01:47:29","option_type":"math","len":0},{"id":"6697","post_id":"6653","mon_id":"1158921","chapter_id":"1158933","question":"<p>H\u1ec7 s\u1ed1 góc c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng <span class=\"math-tex\">$y=3-\\sqrt{5}x$<\/span> là:<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\sqrt{5}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$5$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$3$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$-\\sqrt{5}$<\/span>"],"correct":"4","level":"1","hint":"<p>Ta g\u1ecdi a là h\u1ec7 s\u1ed1 góc c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng y=ax+b (a≠0).<\/p>","answer":"<p>Ch\u1ecdn<span style=\"color:#16a085;\"> <strong>D.<\/strong> <span class=\"math-tex\">$-\\sqrt{5}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-02 01:49:28","option_type":"math","len":0}]}
