分别求经过两条直线2x+y-3=0和x-y=0的交点,且符合下列条件的直线方程.
(1)平行于直线l1:4x-2y-7=0;
(2)垂直于直线l2:3x-2y+4=0.
(1)平行于直线l1:4x-2y-7=0;
(2)垂直于直线l2:3x-2y+4=0.
17-18高一·甘肃武威·课后作业 查看更多[2]
更新时间:2018-08-11 09:23:48
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【推荐1】根据下列给定的条件,判断直线
与直线
是否平行.
(1)直线
经过点
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(2)直线
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(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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(3)直线
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【推荐2】菱形ABCD中,A(-4,7),C(2,-3),BC边所在直线过点P(3,-1).求:
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(1)AD边所在直线的方程;
(2)对角线BD所在直线的方程.
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【推荐1】已知点
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(1)过点
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(2)过点
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【推荐2】在下列所给的三个条件中任选一个,补充在下面的问题中,并加以解答.
①过(-1,2);②与直线
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问题:已知直线
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(2)若
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解题方法
【推荐1】已知直线
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(1)
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(2)
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解答题-问答题
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解题方法
【推荐2】已知直线
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(1)若
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(2)求点
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