解题方法
1 . 平面直角坐标系中,点
、
是方程
表示的曲线
上不同两点,且以
为直径的圆过坐标原点
,则
到直线
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33031d14b1ce7df1f07e75072840ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
A.2 | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
名校
2 . 记椭圆
围成的区域(含边界)为
(
),当点
分别在
,
,…上时,
的最大值分别是
,
,…,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833a2f5967d9e8d6d09c984b025706fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e6d22012cf610b752b8ef7c6115685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e1862efa4931cbf76743033ad6f1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219c95b2e4a9ce614241c42442d16bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5540c296799b5379376e260b1fc6b217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df2ae3a092acc4ed595dea31ea66bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42b6abf0d716fc2c59e1ea2476286ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833a2f5967d9e8d6d09c984b025706fa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-05-19更新
|
265次组卷
|
2卷引用:【全国市级联考】广西钦州市2018届高三第三次质量检测试卷理科数学试题
名校
3 . 已知曲线
的参数方程为
是参数),则曲线
的普通方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2270626970ae6e24501d21e2242d0420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
11-12高二下·福建泉州·期末
名校
解题方法
4 . 椭圆 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6aefc84a7957fe8e711e89e2777e0d.png)
是参数
的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6aefc84a7957fe8e711e89e2777e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ba06ebe9b511ec37625928d360dc17b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-02更新
|
1256次组卷
|
4卷引用:2011—2012学年福建泉州一中高二下学期期末理科能力测试数学试卷
(已下线)2011—2012学年福建泉州一中高二下学期期末理科能力测试数学试卷(已下线)2012-2013学年山西省忻州一中高二下学期期中考试数学文科试卷广西陆川县中学2017-2018学年高二上学期期末考试数学(文)试题河北省武邑中学2017-2018学年高二上学期期末考试数学(文)试题
名校
5 . 曲线
(
为参数)的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45b6f4355e7661c283fc0071bae8177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2df1bc516cf59796f7610454440afc4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
14-15高二上·黑龙江牡丹江·期中
解题方法
6 . 已知过曲线
为参数,
上一点P,原点为O,直线PO的倾斜角为
,则P点坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4013eb6e501326aa82d41fd450336b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9ac0ec053b39006237e3a875d277c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
A.(3,4) | B.![]() | C.(-3,-4) | D.![]() |
您最近一年使用:0次
2018高三·全国·专题练习
解题方法
7 . 已知
满足
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7822f361618da0965955d7bc25c4b49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5939c531043eb541d03082ad55c7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f17e35f041504aa51cec531c7d3795.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次