2011·北京·一模
1 . 已知圆C:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3eaf44e8fac880eec239aa55846f767.png)
(1)若圆C被直线
截得的弦长为
,求
的值;
(2)求在(1)的条件下过点(
)的切线方程;
(3)若圆C与直线
交于M、N两点,且OM⊥ON(O为坐标原点),求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3eaf44e8fac880eec239aa55846f767.png)
(1)若圆C被直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求在(1)的条件下过点(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13bdcbf7f96e03532c0b9e663825344.png)
(3)若圆C与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e35701dd16dbf6ec916064880b8b52.png)
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10-11高一下·贵州遵义·期末
2 . 从圆
:
外一动点
向圆
引一条切线,切点为
,且
(
为坐标原点),求
的最小值和
取得最小值时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f4d3f54174da2d79bad5fb1aacd6ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e0cac807d10c3dc2f00f29d1687f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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10-11高二下·黑龙江·期末
3 . 已知圆
内有一点
,过点P作直线
交圆C与A,B两点
(1)当
经过圆心C时,求直线
方程
(2)当弦AB被点P平分时,求直线
方程
(3)求过点(4,3)且与圆相切的直线方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65c8d0c10c9d2c669f3e6afc480b734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2007972af3341f27fbc32ce62dfce5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)当弦AB被点P平分时,求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)求过点(4,3)且与圆相切的直线方程
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10-11高一·安徽安庆·阶段练习
名校
4 . 已知圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e171327b811e5b11e8767cd71e8d741.png)
(1)求过点
的圆的切线方程;
(2)点
为圆上任意一点,求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e171327b811e5b11e8767cd71e8d741.png)
(1)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da927eda15e4af160175ce6136f0404e.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
您最近一年使用:0次
2016-11-30更新
|
1102次组卷
|
8卷引用:2010-2011年安徽省安庆市示范高中高一三校联考数学试卷
(已下线)2010-2011年安徽省安庆市示范高中高一三校联考数学试卷(已下线)2010-2011学年安徽省安庆市示范高中三校联考高一上学期期末考试数学安徽省淮北市第六中学2017-2018学年高一上学期期末数学试题河北省唐山市第一中学2020-2021学年高二上学期期中数学试题云南省昭通市市直中学2021-2022学年高二上学期第一次联考数学试题新疆维吾尔自治区和田地区民丰县2022-2023学年高二上学期期中教学情况调研数学试题(已下线)专题突破卷22 求圆的最值与范围(已下线)期中真题必刷压轴60题(18个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)
11-12高二上·江苏扬州·期末
解题方法
5 . 已知直线
的方程为
,且直线
与
轴交点
,圆
与
轴交
两点.
![](https://img.xkw.com/dksih/QBM/2011/2/25/1570012972883968/1570012978143232/STEM/0bf614b7-2659-4747-a064-eb0f0a6e6c61.png?resizew=182)
(1)过
点的直线
交圆于
两点,且圆弧
恰为圆周的
,求直线
的方程;
(2)求以
为准线,中心在原点,且与圆
恰有两个公共点的椭圆方程;
(3)过
点作直线
与圆相切于点
,设(2)中椭圆的两个焦点分别为
,求三角形
面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/2011/2/25/1570012972883968/1570012978143232/STEM/0bf614b7-2659-4747-a064-eb0f0a6e6c61.png?resizew=182)
(1)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(3)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12bdb8e9f4bd99efe2c4cdb7234b1298.png)
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11-12高三上·安徽·期末
6 . 已知
:
,直线
交⊙O于A、B两点,分别过A、B作⊙O的切线,交于M点
(Ⅰ) 当
时,求弦长AB;
(Ⅱ) 若直线
过点(1,1),求点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(Ⅰ) 当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4b89b590fb9a9bb70067026fc57816.png)
(Ⅱ) 若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e0db273061d0331e4e5da9ff1e955e.png)
您最近一年使用:0次
2010高二下·湖南·学业考试
名校
7 . 已知圆心
的坐标为(1,1),圆
与
轴和
轴都相切.
(1)求圆
的方程;
(2)求与圆
相切,且在
轴和
轴上的截距相等的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求与圆
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2016-12-03更新
|
1551次组卷
|
3卷引用:2010年湖南省长郡中学高二下学期学业水平第二次模拟考试数学试题
(已下线)2010年湖南省长郡中学高二下学期学业水平第二次模拟考试数学试题2015-2016学年吉林实验中学高二上学期期中文科数学试卷湖北省孝感市孝南区孝感高级中学2019-2020学年高二上学期9月月考数学试题