抛物线
的准线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108c18cb76d7d34b05c991a644c8b136.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-12-11 11:23:59
|
【知识点】 根据抛物线方程求焦点或准线
相似题推荐
【推荐1】已知双曲线
的两条渐近线与抛物线
的准线分别交于
两点,
为坐标原点,若双曲线的离心率为2,
的面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
A.1 | B.2 | C.![]() | D.3 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】已知双曲线
(
)的一条渐近线方程为
,且双曲线的一个焦点在抛物线
的准线上,则双曲线的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920fdf4cd0153c43eb7b9130b86de598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc895ace5ed5f9cdc12037ca61c509c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次