求分别满足下列条件的直线方程,并化为一般式
(1)经过点P(1,﹣2),且斜率与直线y=2x+3的斜率相同;
(2)经过两点A(0,4)和B(4,0);
(3)经过点(2,﹣4)且与直线3x﹣4y+5=0垂直;
(4)过l1:3x﹣5y﹣13=0和l2:x+y+1=0的交点,且平行于l3:x+2y﹣5=0的直线方程.
(1)经过点P(1,﹣2),且斜率与直线y=2x+3的斜率相同;
(2)经过两点A(0,4)和B(4,0);
(3)经过点(2,﹣4)且与直线3x﹣4y+5=0垂直;
(4)过l1:3x﹣5y﹣13=0和l2:x+y+1=0的交点,且平行于l3:x+2y﹣5=0的直线方程.
更新时间:2016-12-04 03:35:34
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【知识点】 直线的方程
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解答题-问答题
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名校
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