已知圆的圆心M是直线2x+y-1=0与直线x-2y+2=0的交点,且圆过点P(-5,6),求圆的标准方程,并判断点A(2,2),B(1,8),C(6,5)是在圆上,在圆内,还是在圆外?
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(已下线)专题11 圆的方程 知识精讲 (已下线)2.1 圆的方程(A 基础培优练)-2021-2022学年高二数学上学期同步双培优检测(苏教版2019选择性必修第一册)(已下线)2.1 圆的方程-2021-2022学年高二数学尖子生同步培优题典(苏教版2019选择性必修第一册)(已下线)考点38 圆的方程-备战2022年高考数学(理)一轮复习考点帮(已下线)2.4圆的方程-【优质课堂】2021-2022学年高二数学同步课时优练测(人教A版2019选择性必修第一册)(已下线)专题08 圆的方程 - 2021-2022高二上学期数学新教材配套提升训练(人教A版2019选择性必修第一册)
更新时间:2021-06-13 08:15:52
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【推荐1】已知斜率为
的直线
与圆心为
的圆相切于点
,且点
在
轴上.
(1)求圆
的方程;
(2)若直线
与直线
平行,且圆
上恰有四个不同点到直线
距离等于
,求直线
纵截距的取值范围.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
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【推荐2】若圆C的圆心在x轴上,且与直线
相切于点
.
(1)求圆C的方程:
(2)若圆C1
与圆C相切,求实数m的值.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5e81fa1cb45b787ebe165ec7da5040.png)
(1)求圆C的方程:
(2)若圆C1
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b928594ce5b556f00c9e515915daabf.png)
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【推荐1】已知圆心在直线
上的圆
过点
和
,求圆
的方程,并判断点
,
是在圆上,圆内,还是圆外?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260d9a9e5329ad68090d2f442c635bcc.png)
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【推荐2】已知椭圆
的焦距为
,设椭圆的上顶点为
,左右焦点分别为
,且
是顶角为
的等腰三角形.
(1)求椭圆
的标准方程;
(2)已知
是椭圆
上的两点,以椭圆中心
为圆心的圆的半径为
,且直线
与此圆相切.证明:以
为直径的圆过定点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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