名校
1 . 已知双曲线
左焦点为
,
分别在双曲线左右支上,
轴,且
与双曲线两渐近线从左至右依次交于
,
,则以
为直径的圆上的点到原点的最近距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59f8afa4c99e0fc6210cf98646f0ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af72fe2d8fdcd6793597db51d070290e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b15ee4a3c3ac521eb7a020b96a1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 在平面直角坐标系
中,
为双曲线
右支上的一个动点.若点
到直线
的距离大于
恒成立,则实数
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bc68d208cd5e0c90a32851faf3814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a92450db92074a2feb64762ecc4735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 已知椭圆
的方程为
,双曲线
的左、右焦点分别为
的左、右顶点,而
的左、右顶点分别是
的左、右焦点.
(1)求双曲线
的方程;
(2)若直线
与双曲线
恒有两个不同的交点A和B,且
(其中
为原点),求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a8d6991873e79b298984a95b8954b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9631fe8016e765250d1a4ce36efb8477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
4 . 已知双曲线
:
的左、右焦点分别为
,
,点
在双曲线
上.若
为钝角三角形,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9df1061c3ba5151ba2f7359acaf356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfe1cad1ce47339827ac5047af4647d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-01-30更新
|
1318次组卷
|
7卷引用:广西壮族自治区贵港市桂平市2019-2020学年高二上学期期末数学(文)试题
名校
5 . 设F是双曲线
的右焦点.过点F作斜率为-3的直线l与双曲线左、右支均相交.则双曲线离心率的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-01-28更新
|
913次组卷
|
8卷引用:2020届湖南省益阳市高三上学期期末数学(文)试题
2020届湖南省益阳市高三上学期期末数学(文)试题2020届河北省衡水中学全国高三期末大联考文数试卷广西南宁市第三中学2019-2020学年高三期末大联考文科数学试题湖北省恩施州2022届高三上学期期末文科数学试题(已下线)3.2.2 双曲线(第二课时)(精练)-2020-2021学年一隅三反系列之高二数学新教材选择性必修第一册(人教A版)(已下线)专题06 离心率-2021年高考数学二轮复习解题技巧汇总(新高考地区专用)(已下线)9.4 双曲线(精练)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)(已下线)3.2.2 双曲线的简单几何性质(精讲)-2021-2022学年高二数学一隅三反系列(人教A版2019选择性必修第一册)
名校
6 . 双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
的左,右顶点分别是
,
是
上任意一点(
点异于
),直线
分别与直线
交于
,则
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1892b7c3cd7bea116f532f66fba44662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.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/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941580b384bf5aa122b56dec5f0e5cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11449658adfc07dcf4fc0b25e7ed7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
A.![]() | B.![]() | C.2 | D.3 |
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2020高三·江苏·专题练习
7 . 在双曲线
上求一点,使到直线
的距离最短.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3060ec557a5359f070f754276159f7b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5428b040be21dcd503d350478c0a4773.png)
您最近一年使用:0次
名校
8 . 已知双曲线
的左右焦点分别为
,过
的直线
交双曲线的右支于
两点,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7d9f69f9c9b003a287891c804e87ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb85beefee158ba760a0ded42443a55.png)
您最近一年使用:0次
9 . 已知双曲线
的左、右焦点分别为
,
,点
在双曲线上,且满足
,则
取值范围是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ea74737939c0f94c91229a7098f36ec.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/22962a2ad892cb6b14ab039a06e8cdc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f16ec6f1a7f327abeaf51eb91d0659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
10 . 过双曲线
的左焦点的直线交双曲线的左支于
、
两点,且
,这样的直线可以作2条,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2855d0a2c217c344a0823bfc8f954d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0907a673d52825cd7df84b400972d4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-05-06更新
|
214次组卷
|
2卷引用:湖南省长沙市长郡中学2018-2019学年高二下学期3月第一次模块检测数学(理)试题