名校
解题方法
1 . 已知
、
,若动点
满足
.
(1)求动点
的轨迹
的方程;
(2)若斜率为1的直线
与曲线
交于
,
两点,且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65368687df4d7e3b9304e85ec4de354c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f36374ce95a4945d0e58264c2b271f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d94eced0532ab12eccb9318e491e39c.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若斜率为1的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ddf8348068267ed80a2e915fe8503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2 . 已知一直线经过点
,斜率为2,求这条直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aab000962b3e21db0bd949eb7a0d6fc.png)
您最近一年使用:0次
23-24高二上·全国·课后作业
解题方法
3 . 已知点
,
,
,写出直线
,
,
的点斜式、两点式和一般式方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266c42a10c13c00114ae371b2d9f728d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10eba0e8e9ae3fb3967be44322c66d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
您最近一年使用:0次
23-24高二上·全国·课后作业
解题方法
4 . 已知
三个顶点的坐标为
,
,
,求它的对角线AC,BD所在直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb9e88d3e58141dba299dcd8edc4e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6efcdb0b6d964abf8ba9e55b27796e5b.png)
您最近一年使用:0次
2023-09-12更新
|
164次组卷
|
3卷引用:2.2 直线的方程
21-22高二·全国·课后作业
5 . 过点
作一条直线
,使得点
,
到直线
的距离相等,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a313aad754ec60578a3a2db2f5afc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e1bc549a1fd81ce1b129ec5a23a1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3149ce7f3d34915f0232aae1e102931c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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6 . 已知曲线
:
(
,
,且
).
(1)若曲线
是焦点在x轴上的椭圆,求m的取值范围;
(2)当
时,过点
作斜率为
的直线l交曲线
于点A,B(A,B异于顶点),交直线
于P.过点P作y轴的垂线,垂足为Q,直线AQ交x轴于C,直线BQ交x轴于D,求线段CD中点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bfe009312e12b08aff907b060399172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ebfef550eec07598671c5929259780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcba35b945865f4c52987ed739396acc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c94474eb11954ad22add2bc56ee545.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc304a55feec5d8312d3082f1bb91a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2aaabe4aad591509e821c098a6bc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e712cbc45226096ca649923d4b6ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2600a54b7bf3f79aaec7d49a47f6b4d2.png)
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名校
解题方法
7 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150f2372fdd270ece85fa5cdf599e390.png)
(1)求过点
,且与直线
平行的直线
的方程;
(2)直线
与圆
相交于
两点,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150f2372fdd270ece85fa5cdf599e390.png)
(1)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7f6a03826a5ad351c1f7ca553a6945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac76cccc78ea943676c28a3872e1c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2022-01-05更新
|
1646次组卷
|
7卷引用:黑龙江省齐齐哈尔市2021-2022学年高二上学期期末数学试题
解题方法
8 . 已知点
、
,求线段
的垂直平分线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eae019053ae564f08c01487f7ff7986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9444d0f41a247179c3fe03cfc6c43ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2021-10-16更新
|
297次组卷
|
3卷引用:人教B版(2019) 选修第一册 学习帮手 第二章 2.2.2 直线的方程(第一课时)
人教B版(2019) 选修第一册 学习帮手 第二章 2.2.2 直线的方程(第一课时)(已下线)第二章 平面解析几何 2.2 直线及其方程 2.2.4 点到直线的距离人教B版(2019)选择性必修第一册课本习题习题2-2
名校
解题方法
9 . 已知直线
与直线
交于点P.
(Ⅰ)直线
过点P且平行于直线
,求直线
的方程;
(Ⅱ)直线
经过点P,且与两坐标轴围成一个等腰直角三角形,直线
的方程.
(注:结果都写成直线方程的一般式)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4123bd1daf2b59baa333492e9fd4fd0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30edbb367d169a97f0a0c812fa799a2d.png)
(Ⅰ)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f64ebec4a71a609204458cc54df82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5955d4ca9f8824df8b50b24a18dec5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f64ebec4a71a609204458cc54df82.png)
(Ⅱ)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
(注:结果都写成直线方程的一般式)
您最近一年使用:0次
2021-10-24更新
|
1170次组卷
|
3卷引用:北京市顺义牛栏山第一中学2020-2021学年高二上学期期中数学试题
名校
解题方法
10 . 如图,在平面直角坐标系
中,直线
与x轴交于点C,与直线
交于点
,点D的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/5b9ccbb9-cced-497d-af2f-b789d097bc25.png?resizew=140)
(1)求直线
的解析式;
(2)直线
与x轴交于点B,若点E是直线
上一动点(不与点B重合),当
时,求点E的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae652daf6059ff386f99bef2210518c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b14b5af7ddd7e7e710c4cce6b0e41b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/5b9ccbb9-cced-497d-af2f-b789d097bc25.png?resizew=140)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adefd5d707b21c0de88476119abdb6e5.png)
您最近一年使用:0次