名校
1 . 已知点
和圆
上两个不同的点
,满足
,
是弦
的中点,给出下列三个结论:
①
的最小值为
;
②点
的轨迹是一个圆;
③若点
,点
,则存在点
,使得
.
其中所有正确结论的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549c9945f38d44a7cb19ad4441e2095a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb4eb87fd9c474fea913e4b68818abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37a608b9a139cc42e3b293585e877bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
③若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ef909d25c9b62dc9ce23e6ac1ee9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f2bba8303c05689ef4538e98e8929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7900d77797c7d97ea016771cb9075de1.png)
其中所有正确结论的序号是
您最近一年使用:0次
2 . 已知圆
:
,圆
:
,则圆
与圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376bc360486059a9674a964d031e9ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3af6ad619f6f6acf372e25edb60a14e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.外离 | B.外切 | C.相交 | D.内含 |
您最近一年使用:0次
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3 . 已知圆
的方程为
和圆
的方程为
,两圆的位置关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a324c816e299f545ba3f31d37544d07d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bcfcc5fdcec676875e253087acc568.png)
A.内切 | B.相交 | C.相离 | D.外切 |
您最近一年使用:0次
名校
4 . 已知圆
与圆
外切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56253efff7445e3d1c9395475e58c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
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解题方法
5 . 已知圆
上存在两个点到点
的距离均为
,则实数
的一个取值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6669f0abf2aabbe844d4737126f24d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f20953302d861e6c698575bfbab1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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解题方法
6 . 规定:在桌面上,用母球击打目标球,使目标球运动,球的位置是指球心的位置.我们说球A是指该球的球心点A.两球碰撞后,目标球在两球的球心所确定的直线上运动,目标球的运动方向是指目标球被母球击打时,母球球心所指向目标球球心的方向.所有的球都简化为平面上半径为1的圆,且母球与目标球有公共点时,目标球就开始运动.如图:在桌面上建立平面直角坐标系,设母球A的位置为
(
R),目标球B的位置为
,球
的位置为
,解决下列问题:
(1)如图①,若
,沿向量
的方向击打母球A,能否使目标球B向球
的球心方向运动?判断并说明理由;
(2)如图②,若
,要使目标球B向球
的球心方向运动,求母球A的球心运动的直线方程;
(3)如图③,若
,能否让母球A击打目标球B后,使目标球B向球
的球心方向运动?判断并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce43981e5251e382690797f24907de2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb71310ec267ea2c2fc0ccaeb2343d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cfa2a6d9749a619edf80bad8b3e4962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9eeea7ae64fe963b194310bec3c76e.png)
(1)如图①,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
(2)如图②,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
(3)如图③,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://img.xkw.com/dksih/QBM/2024/3/24/3460795832893440/3461205286871040/STEM/31f4ce5b7a9b4a3a894a7079e1126c08.png?resizew=550)
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7 . 已知圆
:
.
(1)求圆
的圆心坐标以及半径;
(2)求经过点
的圆
的切线方程;
(3)若圆
与圆
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1464c0b59806174ebb86a1338cd15f57.png)
有公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef92520d010a4b8ca5fe9c6be16cadf9.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
(2)求经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9e4d799732a551ce63764c6a481f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
(3)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1464c0b59806174ebb86a1338cd15f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bcaceadc00d891e292c8bdff9e4ce64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
8 . 圆
与圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a624b6141259215bcbcd3009ea993e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969af594fed3c8b081bf46d413aaeb09.png)
A.相交 | B.内切 | C.外切 | D.相离 |
您最近一年使用:0次
2023-10-29更新
|
628次组卷
|
2卷引用:北京市昌平区第一中学2023-2024学年高二上学期期中考试数学试题
名校
9 . 已知圆
:
与圆
:
,则圆
与圆
的位置关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed83c1c5fe09e778f9514afb5c5471e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20633cc1b46bb80820371085b922b1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.相交 | B.外切 | C.内切 | D.内含 |
您最近一年使用:0次
2023-10-20更新
|
846次组卷
|
4卷引用:北京市第十五中学2023-2024学年高二上学期期中考试数学试题
北京市第十五中学2023-2024学年高二上学期期中考试数学试题浙江省嘉兴市海盐高级中学2023-2024学年高二上学期10月阶段测数学试题(已下线)专题10直线与圆、圆与圆的位置关系(4个知识点8种题型)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(人教A版2019选修第一册)(已下线)专题18 圆与圆的位置关系5种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)
名校
解题方法
10 . 若一个圆的圆心是抛物线
的焦点,且该圆与直线
相切,则该圆的标准方程为__________ . 过点
作该圆的两条切线
,切点分别为
,则直线
的方程为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088fcdd595455906a1a7080d630611f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61d0b13a6875a9fde18f435ba9fe9975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d8cc13666ef5e288a3c98e2fc56aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2024-01-13更新
|
294次组卷
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2卷引用:北京市丰台区怡海中学2023-2024学年高二上学期期末模拟练习数学试题(2)