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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2 . 已知双曲线
的右焦点为
,左、右顶点分别为
轴于点
,且
.当
最大时,点
恰好在
上,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d9b8ec00bea3d46369592a473f720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626e4e5bf9f6d13ebcdfaa4dffe8dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7d6bb0efbf3e05cc4f7f232b90f139.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/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.2 | D.![]() |
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解题方法
3 . 设点
的坐标分别是
,
是平面内的动点,直线
的斜率之积为
,动点
的轨迹
与曲线
相交于4个点,以这四个交点为顶点的矩形的面积等于
,则轨迹
的离心率等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b247c7428cd4ab78dff8a9dabe30279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03df57efff473b3cfeb8503796b7d6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aae50dabc007950125590fe3fb1c98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46200dd21a996ee2b0766fe2fac9efb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知
分别为双曲线
的左、右焦点,点
为双曲线右支上一点且点
在
轴上的射影恰为该双曲线的右焦点
交双曲线于另一点
,满足
,则双曲线离心率
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa488fd0f559b9033f586a419e54d40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51d317774484734132f35030287e39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知
为双曲线:
(
,
)右支上一点,
,
分别为左、右焦点,
为
的内角平分线,
是坐标原点,过
,
分别作
的垂线,垂足分别为
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](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/45035c785ad41695590eff5a9a6c0e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/45035c785ad41695590eff5a9a6c0e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86163e76653de1f383788b741fb64a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1fae01485740cbb48b5c79f1185b54.png)
A.![]() |
B.三角形![]() ![]() |
C.三角形![]() ![]() |
D.设双曲线的离心率为![]() ![]() |
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解题方法
6 . 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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2024-04-16更新
|
324次组卷
|
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
名校
解题方法
7 . 已知
分别是双曲线
的左、右焦点,经过点
且与
轴垂直的直线与
交于点
,且
,则该双曲线离心率的取值范围是_____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac89d45e79b10741d93a9443c70adde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33558fa9a56d8874e9fad867adbed2bc.png)
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|
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|
4卷引用:云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试卷
云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试卷云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试卷山东省菏泽第一中学八一路校区2023-2024学年高三下学期三月份月考数学试题(已下线)云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试题变式题11-15
名校
解题方法
8 . 已知双曲线C:
(
),
分别为左、右焦点,过
的直线l交双曲线右支为A,以
为直径的圆交右支另一点为B,且
过
当
,则双曲线离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a7681c38f74e21181bb9de077b0c0e.png)
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|
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|
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解题方法
9 . 已知双曲线
的左、右焦点分别是
是
右支上的一点.若
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0d435f48d6406a78c6434693862ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe358841f54c4215a3550455995a0f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6d4d567c6543bd501944ca42097578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知点P是双曲线
上任意一点,
,
是C的左、右焦点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bef93a53a2004910a8cac32f93c4b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
A.![]() | B.C的离心率为![]() |
C.![]() | D.C的渐近线方程为![]() |
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|
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3卷引用:云南省昭通市一中教研联盟2023-2024学年高二上学期期末质量检测数学试题(C卷)
云南省昭通市一中教研联盟2023-2024学年高二上学期期末质量检测数学试题(C卷)甘肃省武威市凉州区2023-2024学年高二下学期开校质量检测数学试卷(已下线)广东省佛山市第一中学2024届高三上学期第二次调研数学试题变式题11-16