名校
1 . 若动点
在曲线
上运动,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf99adccc80f28343fedd8d0aad7429.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-11-26更新
|
1357次组卷
|
4卷引用:黑龙江省齐齐哈尔市实验中学2017-2018学年高二上学期期中考试数学(理)试题
2 . 已知正数
满足
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed27cf5e7ceba01bbd21fa055534ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af3e6bcc82b09300dcc9f46c43ecbc3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
3 . 设曲线
(
为参数)与
轴的交点分别为
、
,点
是曲线
上的动点,且点
不在坐标轴上,则直线
与
的斜率之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885ac6f0b71b3ac4e8e0d8ad25c0da1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-05-08更新
|
539次组卷
|
2卷引用:【全国百强校】四川省成都市双流中学高二下期4月月考数学(理科)试题
解题方法
4 . 曲线
(
为参数)的焦点坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401959abb27cdf15d683e354d171ffe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-06-30更新
|
935次组卷
|
2卷引用:湖南省浏阳一中2016-2017学年高二下学期第一次阶段性测试数学(文)试题
12-13高二下·河北邯郸·期中
名校
5 . 若实数
、
满足:
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8054baa54dcf51712f0851d292313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eabfd980cedd79ba6ccfbe72e5b93466.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2017-06-20更新
|
938次组卷
|
8卷引用:2012-2013学年河北省馆陶一中高二下学期期中考试文科数学试卷
6 . 设椭圆
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/5830648092860499a7017d2ee157e77b.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/5830648092860499a7017d2ee157e77b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 设曲线
(
为参数)与
轴的交点分别为
,点
是曲线
上的动点,且点
不在坐标轴上,则直线
与
的斜率之积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7df26a01acd0b32ea5c83bddf168bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7490886e2807c7b8a4fa57d99c4dc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 曲线
(
为参数)的焦距是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6776d8fe1b8a89138916d6131cd4c2f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018高三·全国·专题练习
解题方法
9 . 若椭圆的参数方程为
(θ为参数),则它的两个焦点坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749d5907cb3a34b8de165665ca5f1320.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . P是椭圆
(α为参数)上一点,且在第一象限,OP(O为原点)的倾斜角为
,则点P的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527c4bb695d49e6a29170c31682464ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
A.(2,3) | B.![]() | C.![]() | D.(4,3) |
您最近一年使用:0次