已知直线
:
与直线
:
,
.
(1)若
,求m的值;
(2)若点
在直线
上,直线l过点P,且在两坐标轴上的截距之和为0,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252b2a1ad0a57394a9415551e8aedfad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784dc0e77ddd7711f5ff5e65a6d29daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6a5b26336eff06ce06c4e44a376687.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8317919757eee6f74086ea9015bc37.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd93525b6822e4bad5ab0e72c5e5c0b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d9ccc4246c82939d8a659db9f28a87.png)
22-23高二上·辽宁大连·阶段练习 查看更多[5]
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更新时间:2022-10-17 16:12:35
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【推荐1】已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabec04914cd31be45e813dcb29b649b.png)
(1)若直线
的斜率等于2,求实数
的值;
(2)若直线
分别与x轴、y轴的正半轴交于A、B两点,O是坐标原点,求△AOB面积的最大值及此时直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabec04914cd31be45e813dcb29b649b.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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【推荐2】已知直线
和直线
,其中
为实数.
(1)若
,求
的值;
(2)若点
在直线
上,直线
过
点,且在
轴上的截距是在
轴上的截距的2倍,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099252894e4ec9735a5febfaa1f138bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e1b471a286791c55c6cd92b3eef337d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa43cff89d47cd1b1295d3597efa659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8321c39cf9fc6dc65e5296c266dd7c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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【推荐1】已知直线
经过两条直线
和
的交点.
(1)若直线
平行于直线
,求直线
的方程;
(2)若直线
垂直于直线
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/effa7b19ee21f2c3874983b6bd8c2a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988c789b2d2be84d523e42e9e1a2ea43.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6443b7ec2fecf5fe8f654fbe34727aff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e204d4f977c924d8b282089da6df15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
【推荐2】(1)以
,
,
为顶点的
,求边
上的高所在的直线方程
(2)若点P在直线
上,且P到直线
的距离为
,求点P的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e951d6d2369e8da79a793a93a66a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a475d30f8a83feed0ed3c238bb24580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd2f2d3384107749b7573b69623efa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若点P在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd38ef176b1bc2c4dbac8c4d98e8ab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baabfd32465e9e50409413d9c1358279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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