名校
解题方法
1 . 已知抛物线E:
的焦点为F,其准线与x轴的交点为C,过点C的直线l与抛物线E交于A,B两点(A点位于B点右方).若
为
的角平分线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb51b9591885e76530a5e2f4283a4db.png)
______ ;直线l的斜率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4eccda4edcee29a5f15609e85106df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed24d7acba0b3a7ebf4d520296424a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb51b9591885e76530a5e2f4283a4db.png)
您最近一年使用:0次
名校
解题方法
2 . 已知椭圆C:
的左、右焦点分别为
,
,过焦点
的直线l与椭圆C相交于
两点,椭圆C在
两点处的切线交于点P,则点P的横坐标为______ ,若
的垂心为点H,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91fbc9b62f2e82af009bd2f4587969fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9e6b473819e4e88341e2d98004de48.png)
您最近一年使用:0次
2023-04-06更新
|
806次组卷
|
3卷引用:吉林省吉林市普通中学2022-2023学年高三下学期第三次调研测试数学试题
3 . 平面内两个定点
,
,动点
满足
,当
且
时,
点的轨迹是圆,这个圆称作阿波罗尼斯圆(简称阿氏圆),且半径为
.若
,且
,则该圆的半径为___________ ;已知正方体
的棱长为
,动点
满足
,则
的最小值为___________ .
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b26ebd87e8515836ef3a273cd17cf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc05659be593340d9e67479a3a13b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83995596fe930cbb2ce9c31f9a7f733d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d572fdea0ba4336ccf77c76db7f0332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83995596fe930cbb2ce9c31f9a7f733d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996c8d1d51f690a57241d3235179a6ad.png)
您最近一年使用:0次
4 . 已知圆
是圆
上任意点,若
,线段
的垂直平分线与直线
相交于点
,则点
的轨迹方程是_______ ﹔若A是圆
所在平面内的一定点,线段
的垂直平分线与直线
相交于点
,则点
的轨迹是:①一个点②圆③椭圆④双曲线⑤抛物线,其中可能的结果有__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f499ca8dd2805f67b20a097a075db606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2021-04-01更新
|
965次组卷
|
6卷引用:吉林省吉林市普通中学2020-2021学年高三第三次调研测试理科数学试试题
吉林省吉林市普通中学2020-2021学年高三第三次调研测试理科数学试试题吉林省吉林市普通中学2020-2021学年高三第三次调研测试文科数学试题吉林省吉林市2021届高三三模数学(文)试题吉林省吉林市2021届高三三模数学(文)试题(已下线)专题21 椭圆、双曲线、抛物线的几何性质的应用(测)-2021年高三数学二轮复习讲练测(新高考版)(已下线)专题25 椭圆、双曲线、抛物线的几何性质的应用(测)-2021年高三数学二轮复习讲练测(文理通用)