解题方法
1 . 曲线
的参数方程为
(
为参数),则曲线
的离心率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e49877a18188a806e5bc312264796bf.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e22147bb190743ddc7dd3537a14167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e49877a18188a806e5bc312264796bf.png)
您最近一年使用:0次
2022-07-25更新
|
189次组卷
|
3卷引用:陕西省渭南市华阴市2021-2022学年高二下学期期末文科数学试题
2021高二·全国·专题练习
2 . 双曲线
上的点
到点
的距离是6,则点
的坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a0bd4bd9985f1e367c100b453ed03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2385884978fefcfd46ec027d0822e472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.(8,![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知双曲线的参数方程为
(
是参数),则该双曲线的焦点坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f76eaf76c524fe641cd3b5041082363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2022-04-06更新
|
349次组卷
|
3卷引用:四川省资阳市外国语实验学校2021-2022学年高二下学期期中数学试题(文)
4 . 与参数方程
(t为参数,
)等价的普通方程为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba3925c9e1d337b73da065a258c9da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
您最近一年使用:0次
2018高二下·全国·专题练习
解题方法
5 . (1)将参数方程
(
为参数)化为普通方程为______________ ;
(2)已知圆
的普通方程为
,则圆
的参数方程为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3051270a79ac03f014b3ed9955e5627a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)已知圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2142a6d73ed4c4ead2dd131adc898ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次