{"common":{"save":0,"post_id":"6661","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6683","post_id":"6661","mon_id":"1158921","chapter_id":"1158933","question":"<p>Hàm s\u1ed1 b\u1eadc nh\u1ea5t có \u0111\u1ed3 th\u1ecb là \u0111\u01b0\u1eddng th\u1eb3ng có h\u1ec7 s\u1ed1 góc a = 2 và \u0111i qua \u0111i\u1ec3m (1 ; 2) là<\/p>","options":["<strong>A.<\/strong> y = 2","<strong>B.<\/strong> y = x + 1","<strong>C.<\/strong> y = 2x","<strong>D.<\/strong> y = 2x + 2"],"correct":"3","level":"2","hint":"","answer":"<p>Hàm s\u1ed1 b\u1eadc nh\u1ea5t c\u1ea7n tìm có d\u1ea1ng <span class=\"math-tex\">$y=2x+b$<\/span> . <\/p><p>Vì \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua \u0111i\u1ec3m (1 ; 2) nên <\/p><p>2.1 + b = 2<\/p><p>b + 2 = 2 <\/p><p>b = 0.<\/p><p>V\u1eady hàm s\u1ed1 b\u1eadc nh\u1ea5t c\u1ea7n tìm là <span style=\"color:#16a085;\"><strong>C.<\/strong> y = 2x.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-02 01:21:47","option_type":"txt","len":1},{"id":"6685","post_id":"6661","mon_id":"1158921","chapter_id":"1158933","question":"<p>Hàm s\u1ed1 b\u1eadc nh\u1ea5t có \u0111\u1ed3 th\u1ecb là \u0111\u01b0\u1eddng th\u1eb3ng có h\u1ec7 s\u1ed1 góc a = 1 và \u0111i qua \u0111i\u1ec3m (3 ; 5) là<\/p>","options":["<strong>A.<\/strong> y = 2x + 1","<strong>B.<\/strong> y = x + 2","<strong>C.<\/strong> y = x + 3","<strong>D.<\/strong> y = x – 2"],"correct":"2","level":"2","hint":"","answer":"<p>Hàm s\u1ed1 b\u1eadc nh\u1ea5t c\u1ea7n tìm có d\u1ea1ng <span class=\"math-tex\">$y = x + b$<\/span> .<\/p><p>Vì \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua \u0111i\u1ec3m (3 ; 5) nên<\/p><p>3 + b = 5 <\/p><p>b + 3 = 5 <\/p><p>b = 2.<\/p><p>V\u1eady hàm s\u1ed1 c\u1ea7n tìm là <span style=\"color:#16a085;\"><strong>B.<\/strong> y = x + 2.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-02 01:24:57","option_type":"txt","len":2},{"id":"6686","post_id":"6661","mon_id":"1158921","chapter_id":"1158933","question":"<p>Hàm s\u1ed1 b\u1eadc nh\u1ea5t có \u0111\u1ed3 th\u1ecb là \u0111\u01b0\u1eddng th\u1eb3ng có h\u1ec7 s\u1ed1 góc a = 3 và \u0111i qua \u0111i\u1ec3m (1 ; 6) là<\/p>","options":["<strong>A.<\/strong> y = 3x + 1","<strong>B.<\/strong> y = 3x","<strong>C.<\/strong> y = x + 3","<strong>D.<\/strong> y = 3x + 3"],"correct":"4","level":"2","hint":"","answer":"<p>Hàm s\u1ed1 b\u1eadc nh\u1ea5t c\u1ea7n tìm có d\u1ea1ng <span class=\"math-tex\">$y=3x+b$<\/span>.<\/p><p>Vì \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua \u0111i\u1ec3m (1 ; 6) nên<\/p><p>3.1 + b = 6<\/p><p>b + 3 = 6 <\/p><p>b = 3<\/p><p>V\u1eady hàm s\u1ed1 b\u1eadc nh\u1ea5t c\u1ea7n tìm có d\u1ea1ng <span style=\"color:#16a085;\"> <strong>D.<\/strong> y = 3x + 3.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-02 01:27:58","option_type":"txt","len":1}]}
