名校
1 . 判断圆
与圆
的位置关系并说明理由.若有公共点,则求出公共点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651ab1ad028374feaaf5b3129dfd7d23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8f998b01e272a0ec209bd10b6ede7a.png)
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2024高二·全国·专题练习
解题方法
2 . 已知圆
:
和圆
:
.
(1)当
时,判断圆
和圆
的位置关系.
(2)是否存在实数m,使得圆
和圆
内含?若存在,请求出m的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5227aaec35fe1cdf74b52c762dbb78cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ce807a9076837a8069e0a66a8c7fadf.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)是否存在实数m,使得圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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3 . 在平面直角坐标系
中,已知圆
经过点
,且与圆
相切于点
.
(1)求圆
的方程;
(2)圆
上是否存在点
,使得
?若存在,求点
的个数;若不存在,请说明理由;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238bb883f17fcc90b77ba80c4d14916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0c6a7ca4e352b1560a092cc1261cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cec13dec8afb62deac170397efc604.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb344ce83a0c1859b622eeb47c1fe00e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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4 . 已知圆
,圆
,动圆P与圆M外切并且与圆N内切,圆心P的轨迹为曲线C,求C的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99af3788a5f277a80060c54ae254764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb3f214fd9281e4359567ae22a3e064.png)
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2021-12-25更新
|
706次组卷
|
7卷引用:上海市上海理工大学附属中学2015-2016学年高二下学期3月月考数学试题
上海市上海理工大学附属中学2015-2016学年高二下学期3月月考数学试题北京市东城第50中2017-2018学年高二上学期期中考试数学试题(已下线)第45讲 曲线与方程(讲) — 2022年高考数学一轮复习讲练测(课标全国版)人教A版(2019) 选修第一册 实战演练 第三章 课时练习21 椭圆及其标准方程(已下线)3.1.1 椭圆的标准方程(已下线)第10讲 圆与圆的位置关系(5大考点)-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)(已下线)3.1.1 椭圆及其标准方程【第一课】“上好三节课,做好三套题“高中数学素养晋级之路
名校
5 . 我们定义一个圆的圆心到一条直线的距离与该圆的半径之比,叫做直线关于圆的距离比,记作
.已知圆
:
,直线
.
(1)若直线l关于圆
的距离比
,求实数m的值;
(2)当
时,若圆
与y轴相切于点
,且直线l关于圆
的距离比
,试判断圆
与圆
的位置关系,并说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648db6b825ab2d1d893cc6127c4f88ed.png)
(1)若直线l关于圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2f2d7c81cb44416bcdf59419637682.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f94c4f6b762fddb0e313050ef6932eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2a8b599d81ee52446deb0bc08c55b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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2020-12-07更新
|
689次组卷
|
8卷引用:上海市杨浦高级中学2020-2021学年高二上学期期中数学试题
上海市杨浦高级中学2020-2021学年高二上学期期中数学试题(已下线)高二期末押题01-2020-2021学年高二数学下学期期末专项复习(沪教版)(已下线)2.1圆(作业)(夯实基础+能力提升)(2)甘肃省兰州市第一中学2020-2021学年高一下学期期中考试数学试题湘教版(2019) 选修第一册 突围者 第2章 全章综合检测直线与圆的方程中的高考新题型沪教版(2020) 选修第一册 同步跟踪练习 第2章 2.1(5)圆与圆的位置关系甘肃省兰州市第六十一中学2022-2023学年高二上学期期末数学试题
6 . 设椭圆
的方程为
,斜率为
的动直线
交椭圆
于
、
两点,以线段
的中点
为圆心,
为直径作圆
.
(1)求圆心
的轨迹方程,并描述轨迹的图形;
(2)若圆
经过原点,求直线
的方程;
(3)证明:圆
内含或内切于圆
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)求圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)证明:圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49137970108f50350a3211aa0281faaf.png)
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2020-03-21更新
|
760次组卷
|
2卷引用:上海市控江中学2019-2020学年高二上学期期末数学试题
名校
7 . 动圆
与圆
相外切且与
轴相切,则动圆
的圆心的轨迹记
,
(1)求轨迹
的方程;
(2)定点
到轨迹(1)
上任意一点的距离
的最小值;
(3)经过定点
的直线
,试分析直线
与轨迹
的公共点个数,并指明相应的直线
的斜率
是否存在,若存在求
的取值或取值范围情况.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6316e0e6da742e9b035d8f2cc91a4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求轨迹
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2b1f4120365cb6ee4925fe417563f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a203d0478f8390fa2b346500ccb2b63.png)
(3)经过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1657d4cc1ba84a620ac9f0336a99df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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