1 . 已知
为坐标原点,
为双曲线
的左焦点,直线
与
交于
两点(点
在第一象限),若
,且
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cec0480d6bccbc067456be5954e397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01172fa3c06c87a328f1da5448ba11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0202f3b6aecd2710ed26514bfcb14fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
名校
解题方法
2 . 已知
是等轴双曲线C的方程,P为C上任意一点,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377a2333ff8c63cbdb20b882d6d5a7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036818ece5123ca4f8f758ab840e429a.png)
A.C的离心率为![]() |
B.C的焦距为2 |
C.平面上存在两个定点A,B,使得![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-04-16更新
|
723次组卷
|
2卷引用:河南省漯河市高级中学2024届高三下学期4月强化拉练一数学试题
名校
3 . 过双曲线
的左焦点
作倾斜角为
的直线
交
于
两点.若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0017262e45089093f70001cae2c60257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da1d0127de8f30919a8440868e6d46e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b170f3d0abb800d815c9ae352d18ea.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-10更新
|
1978次组卷
|
4卷引用:河南省名校联盟2023-2024学年高三下学期教学质量检测(4月)数学试题
名校
4 . 设双曲线
的焦点为
,过
作实轴的垂线交双曲线于
,且
,则以
为直角边长的三角形的最小角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9661f922ba80f0b26782ce7b176ec8bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a97f02d24e433687a2deb30b325f25c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29395ed96fefb7ca074b295865cace0d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知圆
和两点
为圆
所在平面内的动点,记以
为直径的圆为圆
,以
为直径的圆为圆
,则下列说法一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51c2a5f44e72ae2911b2039fd4e8d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.若圆![]() ![]() ![]() ![]() |
B.若圆![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-04-08更新
|
415次组卷
|
3卷引用:河南省信阳市新县高级中学2024届高三数学考前仿真冲刺卷
名校
解题方法
6 . 已知双曲线
的左、右焦点分别为
,点
在
的右支上,
为等腰三角形且周长为10.
(1)求点
的坐标;
(2)若点
满足
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b30352c43707c4e54b94ce5b61f2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f6d0a87b9edc1612825ec537d83bdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/139c6aa8bc8c0b7b0174b5fbac5699ba.png)
您最近一年使用:0次
名校
解题方法
7 . 已知双曲线C:
的左、右焦点分别为
、
,双曲线C的离心率为e,在第一象限存在双曲线上的点P,满足
,且
,则双曲线C的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177ae60ade0b7ac20e7bdc40eaa1ef5a.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/9a09203f3697e50646c6223f463d6619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa01cbdbae94bd3497ceb9f03ee760a5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-27更新
|
1971次组卷
|
7卷引用:河南省郑州市2024届高三第二次质量预测数学试题
名校
8 . 某数学兴趣小组的同学经研究发现,反比例函数
的图象是双曲线,设其焦点为
,若
为其图象上任意一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.它的离心率为![]() |
C.点![]() | D.![]() |
您最近一年使用:0次
2024-03-14更新
|
1952次组卷
|
8卷引用:河南省信阳高级中学2024届高三5月测试(一)二模数学试题
名校
解题方法
9 . 已知O为双曲线C的中心,F为双曲线C的一个焦点,且C上存在点A,使得
,
,则双曲线C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92de747691a74213071dafd9aa55fcba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7420c94b5badcc10bf81e1ea10dc0147.png)
A.![]() | B.![]() | C.5 | D.7 |
您最近一年使用:0次
2024-03-14更新
|
1222次组卷
|
4卷引用:河南省信阳市信阳高级中学2024届高三高考模拟预测(十三)数学试题
河南省信阳市信阳高级中学2024届高三高考模拟预测(十三)数学试题广东省燕博园2024届高三下学期3月综合能力测试(CAT联考)数学试题广东省佛山市南海西樵高级中学2024届高三下学期3月综合能力测试数学试题(已下线)广东省阳江市2024届高三下学期5月模拟数学试题
名校
解题方法
10 . 已知
是双曲线
的右焦点,
是
左支上一点,
,当
周长最小时,该三角形的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb49a5a86953fc7fba47cd5fe57d375.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/f46ea62b01c61a649db58e76ffb0e9df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceff3844281849df3e37a2e56e110549.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-12更新
|
882次组卷
|
2卷引用:河南省信阳市新县高级中学2024届高三考前数学仿真冲刺卷三