名校
解题方法
1 . 已知双曲线
的左、右焦点分别为
,过原点的直线与双曲线
交于
两点,若
,
的面积为
,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5379ca02a94af1e74e5e00e38ba6e327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb398137779190b35492d9f06d5fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d944d4c501cc74c748a62e9d5a427a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22ec40b69cbc0263f5aa4ce12606692.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-03更新
|
333次组卷
|
4卷引用:湖南省长沙市明德中学2019-2020学年高三下学期3月月考数学(理)试题
名校
解题方法
2 . 已知双曲线
的离心率为
,则双曲线
的焦距是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a973773a0215953ee003b1f2659a20d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a33adcbed89e81a6f835f8fc9291cb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-30更新
|
461次组卷
|
4卷引用:2020届河南省名校联盟高三4月教学质量检测数学(文)试题
名校
解题方法
3 . 双曲线E:
的一条渐近线与圆
相交于
若
的面积为2,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893f6f9256d7e91289d294479ec75c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-27更新
|
416次组卷
|
5卷引用:新疆乌鲁木齐市第七十中学2021届高三10月月考数学(理)试题
解题方法
4 . 已知双曲线
的右焦点为
,直线
与双曲线
的渐近线在第一象限的交点为点
,坐标原点为
,
的面积为
,则双曲线
的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6fe0f38ab3095ac6575faa02914b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2290f7912c9a6bfd39ec271f5672f6f8.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e55b85a1dc91ee8a026ad44e82d42b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cc0b4997cae4d8aec791a1d3923314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.2 | C.![]() | D.3 |
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5 . 已知双曲线
的离心率为
,其中一条渐近线的倾斜角
的取值范围是
,其斜率为
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90169fce9a634c0a67f03c9e062acfb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d7220f071260292535a020851bfd69.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 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.![]() |
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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
解题方法
7 . 设M为双曲线C:
-
=1(a>0,b>0)右支上一点,A,F分别为双曲线的左顶点和右焦点,且△MAF为等边三角形,则双曲线的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7355be4fcbc3130a5951364a3be76d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5268413295580cfda0755ab458b36b64.png)
您最近一年使用:0次
解题方法
8 . 已知双曲线
的一条渐近线与直线
垂直,则双曲线的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94889b92b1d2f486f7a7ec2540fde6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9231260a2de7949154b7244bf70785c6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-08-16更新
|
928次组卷
|
3卷引用:贵州省独山县兴农中学2020--2021学年度高二年级上学期第三次月考数学理科试题
名校
解题方法
9 . 若双曲线
的右顶点
到一条渐近线的距离为
,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceaeb4afbf2ef3fa85adf76118a19d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96ed073cbf9c38f596353a45f816df9.png)
A.![]() | B.![]() | C.3 | D.![]() |
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2020-04-20更新
|
1681次组卷
|
7卷引用:河北省衡水中学2020届高三下学期第九次调研数学(文)试题
解题方法
10 . 在
中,
,
、
是双曲线
的左、右焦点,点
在
上,且
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55deaf56eefabb84a18805ab11c7872.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe44ff9f829f6c034682572ad00e366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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2020-04-17更新
|
231次组卷
|
2卷引用:2020届金太阳高三4月联考数学(理)试题