1 . 求直线
的斜率以及它在x轴、y轴上的截距,并作图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dc61876e167b1667a7261524af8d4c.png)
您最近一年使用:0次
2 . 分别求点
到下列直线的距离:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a42451bdbef6c82dbaf8e06f0614794.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af175f0d93952178f36edaeda9139ad.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31015c2cce44ac54345673671d7e7845.png)
您最近一年使用:0次
3 . 设
为实数,直线
,
.若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569c12013c16b535a57fa39b30eb00bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d15d70d641412713f2447714851b187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027830fc47290062692964077ee481e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知直线l经过原点,且经过如下两条直线
,
的交点,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da5fe50936050b05e8bc31f9589671f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baabfd32465e9e50409413d9c1358279.png)
您最近一年使用:0次
5 . 判断下列各组直线是否平行,并说明理由:
(1)
,
;
(2)
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2895c0affcb5a43c53f14d97211bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d021f31b88c2e05b702addeec146b5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318edf3fb35b60d437703cefae703c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ca7c2ecfa67cbbec8889e49950b2df.png)
您最近一年使用:0次
解题方法
6 . 求过点
,且与直线
平行的直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51116e96f4c35d90677e91e0aa914111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff23609c2c115bf63d954ff587894e1.png)
您最近一年使用:0次
解题方法
7 . 已知三角形的顶点是
,
,
(如图),分别求这个三角形三边所在直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f797e56ade85e23e9eef2501060ed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e860f4355a479304269ec347962c6df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7720309624a5e413f5e612bd492effe.png)
您最近一年使用:0次
解题方法
8 . 已知直线l经过两点
,
(如图),其中
,
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c240561788bc63f41a6703219fb66d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c09615735d331befd07664aa47cb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b011f69dfc5262a3d82f64676739b.png)
您最近一年使用:0次
9 . 已知两条平行直线
,
,求
与
间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e124e4bd0a1e2829effd2ccf2f65fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beaa201201a319474b17dcddbf674808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
10 . 求点
到直线
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b559f160470e4ae99634b95e2537c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b66d039088ee29b40c9fff7ec9b6ae.png)
您最近一年使用:0次