名校
解题方法
1 . 设
、
为双曲线
左、右焦点,过
的直线交双曲线左、右两支于点
、
,连接
、
,若
,且
,则双曲线的离心率为______ .
![](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/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90a03b11a51bd7824aa4094526e5aec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e0ec90c659a89984e4f224cc27b587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9f07dda29853ea7d12bafdec682bdf.png)
您最近一年使用:0次
2020-02-15更新
|
826次组卷
|
6卷引用:四川省南充高级中学2019-2020学年高二下学期3月线上月考数学(文)试题
四川省南充高级中学2019-2020学年高二下学期3月线上月考数学(文)试题四川省南充高级中学2019-2020学年高二下学期3月线上月考数学(理)试题2020届安徽省芜湖市高三上学期期末数学(理)试题2020届高三1月(考点08)(理科)-《新题速递·数学》(已下线)第十八篇离心率01—2020年高考数学选填题专项测试(文理通用)(已下线)专题41 盘点圆锥曲线中的中点弦及焦点弦问题——备战2022年高考数学二轮复习常考点专题突破
名校
解题方法
2 . 已知双曲线
:
的左、右焦点分别为
、
.若双曲线
的右支上存在点
,使
,并且
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbc2439a8c8e63a286a92c6ae73f2e5.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801635aea4758894855cefb4ac9fae98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2109cef79675ee782c4e0ac5f0ca5a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-02更新
|
784次组卷
|
4卷引用:天津市天津中学2020年3月高三在线月考数学试卷
天津市天津中学2020年3月高三在线月考数学试卷 2020届天津市天津中学高三高考模拟(3月份)数学试题(已下线)专题05 圆锥曲线(选择填空)-2020年高考数学母题题源解密(天津专版)陕西省西安交通大学附属中学2019-2020学年高二下学期期中理科数学试题
名校
解题方法
3 . 已知
、
分别是双曲线
的左、右焦点,过
作双曲线
的一条渐近线的垂线,分别交两条渐近线于点
、
,过点
作
轴的垂线,垂足恰为
,则双曲线
的离心率为( )
![](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/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-09更新
|
799次组卷
|
7卷引用:广东省湛江市2019-2020学年高三下学期模拟数学(理)试题
广东省湛江市2019-2020学年高三下学期模拟数学(理)试题福建省厦门市海沧中学2019-2020学年高三四月强化检测(理科)数学试题2020届河北省沧州市高三一模数学(文)试题2020届河北省沧州市高三一模数学(理)试题(已下线)冲刺卷03-决战2020年高考数学冲刺卷(山东专版)(已下线)专题05 平面解析几何-2020年高三数学(文)3-4月模拟试题汇编(已下线)第一篇双曲线03-2020年高考数学选填题专项测试(文理通用)
解题方法
4 . 已知
,
为双曲线
的左右焦点,
为
上位于第一象限的点,且
垂直于
轴.若
的斜率为
,则
的离心率为( )
![](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/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b283e4d7375d770823775e4036c9f6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-11-09更新
|
760次组卷
|
2卷引用:内蒙古赤峰市松山区2020-2021学年高三第一次统一模拟考试文科数学试题
名校
解题方法
5 . 已知点A1,A2分别为双曲线C:
的左、右顶点,直线y=kx交双曲线于M,N两点,若
•
•
•
4,则双曲线C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a03551e50e875f6033e7168fc6c51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d47c00fe35817861b97ea6294d18da1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206bcd7ef158fba64acd88a8ae7aeca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7cb86401a339d6151332d6f36ae7c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b9d8727fcc3ad148d2587ad27c021f.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2020-12-11更新
|
724次组卷
|
3卷引用:重庆市渝西中学2020届高三下学期第四次月考数学(理)试题
6 . 已知
是双曲线
的左、右焦点,若点
关于双曲线渐近线的对称点A满足
(O为坐标原点),则双曲线的离心率
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2c2122ca420855bb7da34d84287b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 双曲线
:
的左、右焦点分别为
、
,且抛物线
:
的焦点与双曲线
的焦点重合,若双曲线
与抛物线
的交点
满足
,则双曲线
的离心率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2dfb22c6f1c155747100e7536cd1abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.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
,
,以
为直径的圆与双曲线的四个交点依次连线恰好构成一个正方形,则双曲线的离心率为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.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/643ef7d761de0e794fc39937dc72ac6a.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2020-01-06更新
|
731次组卷
|
6卷引用:湖南省郴州市2019-2020学年高三第一次教学质量监测(12月) 数学(文)试题
解题方法
9 . 已知双曲线
右焦点为
,过
且垂直于
轴的直线与双曲线交于
,
两点,抛物线
的焦点为
,若
为锐角三角形,则双曲线的离心率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe294e939b9fb81256d7218a773b5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/9278ebd294ff78bb178c0052ea92b159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-05-09更新
|
611次组卷
|
6卷引用:2020届河南省九师联盟高三核心模拟卷(上)数学(理)试题(五)
名校
10 . 已知椭圆、双曲线均是以线段
的两端点为焦点的曲线,点B是它们的一个公共点且满足
,记此椭圆和双曲线的离心率分别为
、
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d95ea30a3550d19b7ac912ae3fe0900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51663ae7f8163e23c959ead7b2e0a127.png)
A.![]() | B.2 | C.![]() | D.3 |
您最近一年使用:0次
2020-01-04更新
|
684次组卷
|
4卷引用:四川省成都市树德中学2019-2020学年高三11月阶段性检测数学(文)试题