1 . 过点
作圆
的切线,切点为
,如果
,那么切线的斜率是________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f88f485fdf5ce127c50f89ca25dcb939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e1f7355b75ffa35680037ac95bd788.png)
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2 . 已知点
,直线
和
,若点
、
分别是
、
上与
、
两点距离的平方和最小的点,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7993c0993d05574f36d9c8ee0a9b422e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baac64590e6b7f4f2db023d3bd8ab2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709222b60781fd5ac7e518e72c6d118e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec95a644c6094e12793d26e4df182c1.png)
A.1 | B.2 | C.![]() | D.![]() |
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2020-02-07更新
|
501次组卷
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5卷引用:2016届上海市八校联考高考模拟(3月份)(理科)数学试题
2016届上海市八校联考高考模拟(3月份)(理科)数学试题上海市八校2016届高三下学期3月联考(理)数学试题(已下线)模块11 坐标平面上的直线-2022年高考数学一轮复习小题多维练(上海专用)(已下线)1.5 平面上的距离(2)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)(已下线)附加篇:直线与方程(向量法)
3 . 已知函数
,且
.向量
,
,则
的取值范围为__________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573d92396ed2215f0a10e67e0af369bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e23a80a99a13d89cc4ecdfe06cb3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9113dc1d96b71c2667253df67f1aa4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/789eb281d8c0e544892fbbd2784b52a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5df536c2e9aeb1f7b65a742738a57a.png)
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4 . 直线
关于直线
对称的直线方程是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c6d3c99b7004603ba9ea9c341b8b3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18feaed4f3dd7698210ba302c81dca6d.png)
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2020-02-04更新
|
193次组卷
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3卷引用:2016届上海市静安区高考一模(理科)数学试题
名校
5 . 定义:直线关于圆的圆心距单位
圆心到直线的距离与圆的半径之比.
(1)设圆
,求过点
的直线关于圆
的圆心距单位
的直线方程.
(2)若圆
与
轴相切于点
,且直线
关于圆
的圆心距单位
,求此圆
的方程.
(3)是否存在点
,使过点
的任意两条互相垂直的直线分别关于相应两圆
与
的圆心距单位始终相等?若存在,求出相应的
点坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
(1)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f78fee73d1a69ec9309c3c547510b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacfc149ede71417fa599c21b5a84cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7e0e5238148676a584b1748e04d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d03149142fda4b23311ae538e88937.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2b1f4120365cb6ee4925fe417563f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e260f5fe6e3637a415344ff137c7a6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8284506de3f837db03d167c73c4af43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc7ad106d8cfdb6109dde6f7f55b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2020-02-03更新
|
191次组卷
|
4卷引用:2016届上海市延安中学高三下学期适应性考试(三模)(理)数学试题
2016届上海市延安中学高三下学期适应性考试(三模)(理)数学试题2016届上海市延安中学高三下学期适应性考试(三模)(文)数学试题(已下线)第2章 圆与方程(A卷-基础卷)-2021-2022学年高二数学同步单元AB卷(苏教版2019选择性必修第一册)【学科网名师堂】第2章 圆与方程(基础卷)
6 . 在极坐标系下,点
到直线
的距离为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dfa01ada016e445e9d1f0af2da2013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d997398a5deb5ba7e18cb458aa3ce90.png)
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2020-02-03更新
|
405次组卷
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2卷引用:2016届上海市杨浦区高三5月模拟(三模)(理)数学试题
名校
7 . 若函数
和它的反函数的图象与函数
的图象分别交于点A、B,若
,则a约等于________ (精确到0.1).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5e585060f4b5ae83158cd10345f14d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699fc9b7e879af4866aaa07848dfb423.png)
您最近一年使用:0次
8 . 在极坐标系中,点
到直线
的距离为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d63155d7c76f8d1c05db276e3c6d5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ea865f30a8d5b59034f535687e22df.png)
您最近一年使用:0次
9 . 已知点P、Q分别为函数
(x≥0)和
图像上的点,则点P和Q两点距离的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5ab1f6923041b7f9a4e7bb641ead4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1936393ee8aaef99665202509240ee7c.png)
您最近一年使用:0次
名校
10 . 如图:双曲线
:
的左、右焦点分别为
,
,过
作直线
交
轴于点
.
![](https://img.xkw.com/dksih/QBM/2020/1/27/2386057234964480/2387434330652672/STEM/be175671d9d842d49c73dcb5a22c5f45.png?resizew=232)
(1)当直线
平行于
的一条渐近线时,求点
到直线
的距离;
(2)当直线
的斜率为
时,在
的右支上 是否存在点
,满足
?若存在,求出
点的坐标;若不存在,说明理由;
(3)若直线
与
交于不同两点
、
,且
上存在一点
,满足
(其中
为坐标原点),求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a218602e8e3a52f74f760059aa7014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/2020/1/27/2386057234964480/2387434330652672/STEM/be175671d9d842d49c73dcb5a22c5f45.png?resizew=232)
(1)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0de79e86a0260daaa3227c0930a55ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.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/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c39e3dbbb07ae20b774c0c61c40fab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2020-01-29更新
|
436次组卷
|
4卷引用:2017届上海市徐汇区高三上学期学习能力诊断(一模)数学试题
2017届上海市徐汇区高三上学期学习能力诊断(一模)数学试题(已下线)考向25 直线与方程-备战2022年高考数学一轮复习考点微专题(上海专用)上海交通大学附属中学2021-2022学年高二下学期期中数学试题上海市宝山中学2021-2022学年高二下学期线上期中数学试题