已知直线
与
的方程分别为
,
,直线
平行于
,直线
与
的距离为
,与
的距离为
,且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e77fff9e0418770d4adc1b6b3949cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d820788bf2ad8cae6be46a011862f1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b46acffebb6401dcfacd6e41f4718f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
21-22高二上·全国·课前预习 查看更多[2]
(已下线)2.3 直线的交点坐标与距离公式(基础知识+基本题型)--【一堂好课】2021-2022学年高二数学上学期同步精品课堂(人教A版2019选择性必修第一册)沪教版(2020) 选修第一册 同步跟踪练习 第1章 1.4 第2课时 两平行线间的距离
更新时间:2022-03-17 20:27:05
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解题方法
【推荐1】已知直线
.
(1)若
,求
的值;
(2)若
,求过原点
与点
的直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047af05a18ff2d620abf15bb00cc2bf5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30044825cbf0583eade2d9bc1f640746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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【推荐2】根据下列条件分别求直线
,
的方程:
(1)
经过点
,
;
(2)
平行于直线
,且与它的距离为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ae269d7d24f9d84aa53b8f3ee8e155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f31f34c777bc6d3a6736fbf657ea71.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdb33e4ce015cf2df7fa0d87a4c22c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
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【推荐1】已知直线l1:mx+8y+n=0与直线l2:2x+my﹣1=0互相平行,经过点(m,n)的直线l与l1,l2垂直,且被l1,l2截得的线段长为
,试求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30efdb9c7eb4b788352056f3edf21635.png)
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【推荐2】已知直线l与直线
平行且两者间的距离为2,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394f9dae93771115f144051c06e9f85b.png)
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