2023高三·全国·专题练习
1 . 在平面直角坐标系
中,由直线
上任一点
向椭圆
作切线,切点分别为
、
,点
在
轴的上方,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.当点![]() ![]() ![]() |
B.当点![]() ![]() ![]() ![]() |
C.存在点![]() ![]() |
D.存在点![]() ![]() |
您最近一年使用:0次
解题方法
2 . 椭圆
的左、右焦点分别为
,
,
为坐标原点,则以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.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/1dde8112e8eb968fd042418dd632759e.png)
A.过点![]() ![]() ![]() ![]() |
B.椭圆![]() ![]() ![]() |
C.直线![]() ![]() |
D.![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2021-11-22更新
|
725次组卷
|
4卷引用:第08讲 直线与椭圆、双曲线、抛物线 (精练)
(已下线)第08讲 直线与椭圆、双曲线、抛物线 (精练)重庆市部分学校2023-2024学年高二上学期期中数学试题浙江省嘉兴市第五高级中学2021-2022学年高二上学期期中数学试题(已下线)专题3.1 椭圆(5个考点十四大题型)(5)