名校
1 . 若直线
是曲线
和圆
的非坐标轴的公切线,则直线
的方程斜率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f946105ea034c88605feee81964e43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2020-12-26更新
|
121次组卷
|
2卷引用:重庆市第十一中学校2021届高三上学期10月月考数学试题
名校
解题方法
2 . 过双曲线
的左焦点
引圆
的切线,切点为T,延长
交双曲线右支于P点,M为线段
的中点,O为坐标原点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51ffd2c7ef4d6c5a32874f7ef29fe99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49137970108f50350a3211aa0281faaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d681f33b330f1cd06756f291c86b70f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da01a3abe1c9dc4e6283afa0dc1a0d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84e0105f2262429c0ceae7bde0ee7c.png)
A.1 | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2020-03-14更新
|
429次组卷
|
3卷引用:重庆市巴蜀中学2019届高三下学期高考适应性月考(八)(文科)数学试题
名校
解题方法
3 . 动圆
与
相外切,与
相内切.
(1)求动圆圆心
的轨迹
的方程;
(2)
是动圆
的半径最小时的圆,倾斜角为
且过点
的直线l与
相切,与轨迹
交于
,
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891899c14f037e10cefe933aa0b19280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888bb2aaf8ade3ebd8f5e4c92d955104.png)
(1)求动圆圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb52bba9798c625c7cd778636bceea32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341b5d894b04c9420503c339682cbecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb52bba9798c625c7cd778636bceea32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
您最近一年使用:0次
名校
4 . 已知抛物线
,圆
,抛物线
与圆
的某个公共点为
,若点
处的抛物线的切线与圆的切线相同,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46269f45d2fad82ca987512669195bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19d9fd42bf4564670bfc85aa6045811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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