名校
1 . 在平面内有三个互不相交的圆,三个圆的半径互不相等.三个圆的方程分别为
.其中圆
与圆
的两条外公切线相交于点
,圆
与圆
的两条外公切线相交于点
,圆
与圆
的两条外公切线相交于点
,
表示直线AB的斜率,
表示直线AC的斜率,
表示直线BC的斜率.下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298d4f4782916ab6c13f27ac0d024054.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf434334b09cc0fdd4e86e84e6ceb00.png)
A.存在![]() ![]() |
B.对任意![]() ![]() |
C.存在点![]() |
D.直线![]() ![]() ![]() |
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2 . 古希腊数学家阿波罗尼斯(约公元前262~公元前190年)的著作《圆锥曲线论》是古代数学的重要成果,其中有这样一个结论:平面内与两点距离的比为常数
的点的轨迹是圆,后人称这个圆为阿波罗尼斯圆,已知点
,
,动点
满足
,则点
的轨迹与圆
的公切线的条数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9731dae1942389db94dc06154015fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685d31faa9b3bc099e4c5a11b80088f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6bbbb53aaeab0ab7a242228cc510fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ee82573986d4fa6a7ee1b5f397edae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02944f857ad609ba773c81d5b5323c46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c785e6ac28d06bb8c2e3863ba64ae6.png)
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3 . 圆
和圆
的公切线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990ac67ba38205c47cfdf26d0eba39b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0ded540b36ea1b88c84e6da56f9f8c.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2024-03-11更新
|
1257次组卷
|
4卷引用:第1讲:直线系与圆系的应用【练】
(已下线)第1讲:直线系与圆系的应用【练】(已下线)热点7-1 直线与圆综合(10题型+满分技巧+限时检测)山东省部分名校2023-2024学年高三下学期2月大联考数学试题湖南省2024届高三数学新改革提高训练五(九省联考题型)
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解题方法
4 . 若两圆
和
恰有三条公切线,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/682a66debd2eb778a039100b4e7dbc49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05685eca8c01fec0a3fba7725dc0753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a36788f401bb4522f7e9970269ea5cb.png)
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5 . 已知圆
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c4cc73e103c964923330174b9e0f96d.png)
A.若圆![]() ![]() ![]() |
B.若圆![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
2024-02-24更新
|
1713次组卷
|
4卷引用:专题07 直线与圆、圆锥曲线
名校
6 . 双曲线
的左、右焦点分别为
,
,
为
的右支上一点,分别以线段
,
为直径作圆
,圆
,线段
与圆
相交于点
,其中
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50dbcecd99fa41926a7bdbb75e8e556e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a50ebd1b174cab382f6cbc82f92bf3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a455c83c7d8e4f9a91340eab24896e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() |
B.![]() |
C.点![]() ![]() ![]() |
D.圆![]() ![]() ![]() |
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2024-02-14更新
|
880次组卷
|
4卷引用:专题07 直线与圆、圆锥曲线
解题方法
7 . 已知圆
,则圆
的半径为________ ;与圆
和圆
都相切的直线的方程为___________ .(只需写出一条直线的方程)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e51ee7fd129ed982014b7611edf6340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
您最近一年使用:0次
2024高二上·全国·专题练习
名校
8 . 已知圆
和圆
,则圆
与圆
的公切线有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd3cffcca7f4d0912701679a6ad5b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e87adc8368d75e4364dbfc84e37e8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.1条 | B.2条 | C.3条 | D.4条 |
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2024-01-28更新
|
312次组卷
|
3卷引用:人教A版高二上学期【期中押题卷01】(测试范围:1.1~3.1)(原卷版)
(已下线)人教A版高二上学期【期中押题卷01】(测试范围:1.1~3.1)(原卷版)山东省济宁市第一中学2024届高三上学期期末数学试题四川省绵阳市江油市太白中学2023-2024学年高二下学期开学考试数学试题
名校
9 . 若
,
,则
与
公切线的条数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16bd402cbc565c53d118c8f534263e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe17037b43f17bfe9eceae221d8601c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e69fd92eceb49fed10c4b50723d13d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f7ba050bb69ab55bdcb96f935f5922.png)
A.1 | B.2 | C.3 | D.4 |
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10 . 已知圆
,圆
分别是圆
与圆
上的点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70feca8eac775ebee7b6d9760e2be6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c1a45c31d9046db7d8b177174ffbb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.若圆![]() ![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
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2024-01-24更新
|
343次组卷
|
3卷引用:黄金卷02(2024新题型)