解题方法
1 . 已知双曲线C的左、右焦点分别为
,
,
,过
的直线与C的右支交于A,B两点,且
.则C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/cbb0304a3fcc70718c810645fdd8e0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498529b8fa0cfeea9a57f822423ee12a.png)
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解题方法
2 . 双曲线
的左、右焦点分别为
,离心率为
.过
作其中一条渐近线的垂线,垂足为
.已知
,直线
的斜率为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.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/907a3d466e71f798b44c0cfe3812fa9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
A.![]() | B.![]() |
C.双曲线的方程为![]() | D.![]() |
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2卷引用:云南省昆明市云南师范大学附属中学2023-2024学年高二下学期教学测评月考(五)数学试题
解题方法
3 . 已知双曲线
的左、右焦点分别为
,
,点
在
的左支上,且
,
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.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/6a238a6239b4cfca485c703523299cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956c0b3335922c0586a101dfdb8fdea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2卷引用:云南省昭通市水富市第一中学2023-2024学年高二下学期第一次月考(3月)数学试题
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4 . 已知椭圆
与双曲线
的焦距之比为
.
(1)求椭圆
和双曲线
的离心率;
(2)设双曲线
的右焦点为F,过F作
轴交双曲线
于点P(P在第一象限),A,B分别为椭圆
的左、右顶点,
与椭圆
交于另一点Q,O为坐标原点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e8ecb41c1e7e0cea771f75ccf1b6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb7c47e3b286437d8e6ee8b7ec4f003.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/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932b5ed149ea885cfd5353ff2e6ceac2.png)
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2024-01-25更新
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5 . 已知双曲线
的左、右焦点分别为
,
,以
为圆心作与
的渐近线相切的圆,该圆与
的一个交点为
,若
为等腰三角形,则
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05687b6aefc948f15977b85626ccfaf5.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/aa3b5062db7509599563383dd59d8825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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6卷引用:云南省昆明市第八中学2023-2024学年特色高二下学期月考一数学试卷
云南省昆明市第八中学2023-2024学年特色高二下学期月考一数学试卷云南省昆明市2024届高三“三诊一模”摸底诊断测试数学试题(已下线)3.2.2 双曲线的简单几何性质【第二练】“上好三节课,做好三套题“高中数学素养晋级之路陕西省西安市长安区第一中学2023-2024学年高二下学期期中考试数学试题(已下线)第3讲:圆锥曲线的定义以及应用【练】(已下线)云南省昆明市2024届高三“三诊一模”摸底诊断测试数学试题变式题11-16
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6 . 已知双曲线C:
(
,
)的左、右焦点分别为
,
,O为坐标原点,以
为直径的圆与C在第二象限内相交于点A,与C的渐近线在第一象限内相交于点M,且
,则C的离心率为____________ ;若
的面积为8,则C的方程为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af7f3fe900b463a9a9feb2c2436bb43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dd8b1b47853312648efc2aacd12436.png)
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7 . 由伦敦著名建筑事务所Steyn Studio设计的南非双曲线大教堂惊艳世界,该建筑是数学与建筑完美结合造就的艺术品.若将如图1甲、乙所示的大教堂外形弧线的一段近似看成双曲线
下支的一部分,且此双曲线的下焦点到渐近线的距离为4,离心率为2,则该双曲线的方程为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/8894ab4f-56eb-4b4e-a5cd-377684fc94d7.png?resizew=324)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965017ac28701e1bc9afe7668c751950.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/8894ab4f-56eb-4b4e-a5cd-377684fc94d7.png?resizew=324)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 已知双曲线
的焦点与椭圆
的焦点重合,离心率互为倒数,则双曲线
的方程为________ ;设
,
分别为双曲线
的左、右焦点,
为右支上任意一点,则
的最小值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b92a14b9d5a740cbf343cf2579e235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09e9e828fd5995ddd4e5e605499541a.png)
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9 . 已知双曲线
的左,右焦点分别为
、
,焦距为
.若以线段
为直径的圆与直线
有交点,则双曲线C的离心率取值范围为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee344e3f84e55d72494a76c243675c4d.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/f8dcc91c2ffb5571eaf944c34f5e8ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e96c0fe15f4a713510495d5d7df12d.png)
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云南省红河州开远市第一中学校2023-2024学年高二上学期12月月考数学试题贵州省铜仁市松桃苗族自治县群希高级中学2023-2024学年高二上学期第三次月考数学试题广东省梅州市梅雁中学2023-2024学年高二上学期12月月考数学试题(已下线)模块三 专题2 小题进阶提升(4) 期末终极研习室(高二人教A版)(已下线)模块二 专题6 离心率的求解和范围问题 期末终极研习室高二人教A版(已下线)专题03 圆锥曲线的方程(1)(已下线)期末精确押题之填空题(40题)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)
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10 . 双曲线
(
,
)的离心率为2,则此双曲线的渐近线的倾斜角可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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