2014·浙江·一模
名校
解题方法
1 . 已知抛物线
的准线与双曲线
交于
、
两点,点
为抛物线的焦点,若
为直角三角形,则双曲线离心率的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37961ffda32d5f71ec2bc8476d8689d0.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5666c09fdd41cf808379debef9d3a8.png)
您最近一年使用:0次
2016-12-03更新
|
2221次组卷
|
7卷引用:四川省宜宾市第四中学校2019-2020学年高二下学期第二次月考数学(理)试题
四川省宜宾市第四中学校2019-2020学年高二下学期第二次月考数学(理)试题四川省宜宾市第四中学校2019-2020学年高二下学期第二次月考数学(文)试题四川省南充市白塔中学2019-2020学年高二下学期第二次月考数学(理)试题(已下线)2015届浙江省新高考单科综合调研卷理科数学试卷一(已下线)2015届浙江省新高考单科综合调研卷文科数学试卷一【全国市级联考】江西省南昌市2018届高三二轮复习测试文科数学试题【全国市级联考】江西省南昌市2017-2018学年高三第二轮复习测试卷理科数学(二)
解题方法
2 . 设
分别是双曲线
的左、右焦点,若双曲线右支上存在一点
,使得
,其中
为坐标原点,且
,则该双曲线的离心率为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/2/0f6963f4-f7da-4ed2-98ba-af965b15389e.png?resizew=215)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93289a5961955df55514fd3b2218843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99db1f4da47acd179c9df3dc8cee2721.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/2/0f6963f4-f7da-4ed2-98ba-af965b15389e.png?resizew=215)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
1042次组卷
|
3卷引用:2015届海南省海南中学高三5月月考理科数学试卷
名校
3 . 已知双曲线
的左、右顶点分别为
和
,
是
上一点,等腰三角形
的外接圆面积为
,则双曲线
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954b54965c27126babc1e07d0adb2663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2b7a4050c73bafe4556c4fc49ea9df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e031eb54c0dec3eb6734dde51d30152b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
您最近一年使用:0次
2019-01-22更新
|
369次组卷
|
2卷引用:上海交通大学附属中学2024届高三上学期10月月考数学试题
名校
解题方法
4 . 已知双曲线
的右焦点到渐近线的距离为3.现有如下条件:①双曲线
的离心率为
; ②双曲线
与椭圆
共焦点; ③双曲线右支上的一点
到
的距离之差是虚轴长的
倍.
请从上述3个条件中任选一个,得到双曲线
的方程为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f50f5f20a2bdaa7deaa5ac646d95592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
请从上述3个条件中任选一个,得到双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
解题方法
5 . 已知双曲线的方程为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5964c9cef1f322dee4b2831487d92912.png)
A.焦点为![]() | B.渐近线方程为![]() |
C.离心率为![]() | D.焦点到渐近线的距离为![]() |
您最近一年使用:0次
名校
6 . 如图,双曲线
的右顶点为A,右焦点为F,点B在双曲线的右支上,矩形OFBD与矩形AEGF相似,且矩形OFBD与矩形AEGF的面积之比为2:1,则该双曲线的离心率为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/833fbd8f-3813-4fd9-b648-e39825b62291.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/833fbd8f-3813-4fd9-b648-e39825b62291.png?resizew=175)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2019-10-21更新
|
438次组卷
|
3卷引用:山东省烟台市第一中学2019-2020学年高三上学期第一次联考数学试题
山东省烟台市第一中学2019-2020学年高三上学期第一次联考数学试题(已下线)专题9.10 第九章 平面解析几何(单元测试)(测)-浙江版《2020年高考一轮复习讲练测》2020届山东省青岛市崂山区青岛第二中学高三上学期期中数学试题
解题方法
7 . 已知椭圆
的右焦点为
,直线
:
,若
与双曲线
的两条渐近线分别交于点
和点
,且
(
为原点),则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/9973cb175a2b1ee9d1c33326532f8f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2020-04-22更新
|
299次组卷
|
2卷引用:A佳教育湖湘名校2019-2020学年高二下学期3月线上自主联合检测数学试题
名校
8 . 已知双曲线
过点
且渐近线为
,则下列结论正确的个数为( )
①
的实轴长为
;②
的离心率为
;
③曲线
经过
的一个焦点;④直线
与
有两个公共点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e1f707e43e4d7a8a2eb6bfaa435e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b75308335340230171130238f4dc6c1.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
③曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b775a6d895e62f08ec02842ace63565d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b835e357470ee8513c579054921bf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知双曲线
的右顶点为
,以
为圆心,
为半径作圆
,圆
与双曲线
的一条渐近线交于
、
两点,若
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0d90b0b275bc85b16a918a3dc697fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec4bcdebd233b3c6c352a85c7fe3f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 椭圆
与双曲线
焦点相同,
、
分别为左焦点和右焦点,椭圆
与双曲线
在第一象限交点为
,且
,则当这两条曲线的离心率之积为
时,双曲线
的渐近线斜率是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cf6cca367ce2afd96d7d951f9587e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e169933b24e3534ac5ea22a3c53b858e.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102cebe878145cd0e551f4cb72c726ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-10-12更新
|
246次组卷
|
2卷引用:湖北省黄石市2019-2020学年高三上学期9月调研理科数学试题