解题方法
1 . 著名数学家笛卡儿曾经给出一个四圆相切的定理:半径分别为
的三个圆两两外切,同时又都与半径为
的圆外切,则
.已知
,
,若圆
两两外切,且都与圆
外切,其中圆
的半径相等,则圆
的标准方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b173912587a30335ccfb696631c95c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4804e9b295d3b8de7f05e9c4e8e30a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62f08826edf74138582bd03a554502de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319cd1174ef92bda4113af01f0655944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19974eda3d1bc5ff30f65616fe2e7ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fd4dfee3258dc4e386330bac4ef0f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c8942e253abf1f64b09fa7d83b9e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d096cd7bd8a5a2219fd7dd166bbb8460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c8942e253abf1f64b09fa7d83b9e77.png)
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2 . 已知圆
,圆
,其中
.若两圆外切,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd83d733037f9c4305f4e3a7f5bbe142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6285a0b323ce2e89786256b4674c504b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a3089cec3fe99b24ac0f7e54992a68.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知点
,
,
是圆
上一点,
,则实数
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b931faee548175c7895ac9eeca6fed83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d623d9e9bd5bb87493afe7be00829f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a759fec5ab213696fdbdfdd3e38c7054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4889b7400e12119839b3204a404c1934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.2 |
C.![]() | D.![]() |
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4 . 已知圆
:
,圆
:
,且
与
交于P,Q两点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08227ca941898eb34941f446ca8b1de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98810faa6d31276d4c8b87ce6665a950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.圆![]() ![]() ![]() |
B.线段![]() ![]() |
C.圆![]() ![]() ![]() ![]() |
D.若A,B分别是![]() ![]() ![]() |
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5 . 已知圆
:
,圆
:
(
).
(1)若圆
与圆
相外切,求
的值;
(2)若圆
与圆
有两个公共点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c62a5bc2ddd8b57ed3ab0e3adc507d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e8e78f67113fb40150f093b93e4323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba6b6aa6c3f9faba6b03bc193a6e61.png)
(1)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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2023-11-19更新
|
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3卷引用:河南省太康县第一高级中学等校2023-2024学年高二上学期期中学业质量监测考试数学试题
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6 . 设集合
,
,若
中有且只有一个元素,则
的取值集合为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a8a124401ec2f8427f0bd61e7ccabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c3d2cdabb729a41274f15aec929b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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解题方法
7 . 下列结论正确的是( )
A.直线![]() ![]() |
B.直线![]() ![]() |
C.直线![]() ![]() ![]() |
D.与点![]() ![]() |
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2023-11-09更新
|
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8 . 已知圆
:
,圆
:
,过圆
上的一点P作圆
的一条切线,切点为A,且
,则实数m的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bdd17a60e41212ca51c2890352dd222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c754c259d3ecab6546c3049223bd3b5.png)
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9 . 设
为坐标原点,
,若
上存在点
,使得
,则
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c09b41032e4722c412c2e2427500a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98022021e112cadc4695e6af82edef57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297af2859ce6975fe9cbff4158300d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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2023-10-31更新
|
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10 . 在平面直角坐标系中,圆
的方程为
,若直线
上至少存在一点,使得以该点为圆心,1为半径的圆与圆
有公共点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907372d3994dbb5c0b8b8c53e663a966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-05-17更新
|
510次组卷
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5卷引用:河南省顶尖名校联盟2022-2023学年高二下学期5月期中联考数学试题
河南省顶尖名校联盟2022-2023学年高二下学期5月期中联考数学试题河南省南阳市第一中学校2023届高三第三次模拟考试文数试题四川省绵阳南山中学实验学校2023届高考冲刺五(文科)数学试题(已下线)第18讲 圆与圆的位置关系4种常见考法归类(3)(已下线)2.5.2 圆与圆的位置关系(AB分层训练)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)