1 . 设双曲线
的焦距为
,离心率为
,且
成等比数列,A是
的一个顶点,
是与A不在
轴同侧的焦点,
是
的虚轴的一个端点,
为
的任意一条不过原点且斜率为
的弦,
为
中点,
为坐标原点,则下列判断错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dcc91c2ffb5571eaf944c34f5e8ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac0b1cedb503907f2ccf9bee9698f0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799abb64fd7bfce9dfa7228aa460564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() ![]() |
B.![]() |
C.![]() ![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
2023-03-26更新
|
1049次组卷
|
7卷引用:广西部分学校2024届高三下学期开学考试数学试题
名校
解题方法
2 . 已知函数
,点
是函数
图象上不同的两个点,设
为坐标原点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce7deb5894474ae2d46baec2f13b64f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e203b7c9a6600e0272c58a23733490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d85ab77d6fa928f98a2d063489c0692.png)
您最近一年使用:0次
2023-03-24更新
|
1060次组卷
|
6卷引用:广西南宁市2023届高三第一次适应性测试(理科)数学试题
广西南宁市2023届高三第一次适应性测试(理科)数学试题(已下线)专题04函数与导数(选择填空题3)(已下线)模块八 专题4 以导数为背景的压轴小题上海市曹杨第二中学2022-2023学年高二下学期期中数学试题上海市曹杨中学2022-2023学年高二下学期期中数学试题(已下线)上海市曹杨第二中学2023-2024学年高二下学期期中考试数学试卷
名校
解题方法
3 . 已知双曲线
的渐近线方程为
,且
过点
,则双曲线
的实轴长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4dee23d064142a7f49a478c0568a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da61a8fc8f424929e9bf36622f1ca74f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知双曲线
的左、右焦点分别为
,过点
且与
轴垂直的直线
与双曲线
交于
两点,若
,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/4d2a97987f71835f519b462f5b8f5957.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3212785999a0e13446e2aba1dcfcd790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 双曲线C:
的渐近线与直线
交于A,B两点,且
,那么双曲线C的离心率为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c55e01348f3d583dfd8acfdb5863dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
您最近一年使用:0次
2023-03-19更新
|
562次组卷
|
5卷引用:广西壮族自治区防城港市2023届高三下学期4月月考数学(文)试题
解题方法
6 . 已知
是双曲线
的两个焦点,
为
上一点,
,且
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7affd8a277498fd39b4a2a95d649f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2581d8ad7160d3ef046fedc9ae7369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2023-03-17更新
|
700次组卷
|
4卷引用:广西南宁市2023届高三第一次适应性测试(文科)数学试题
广西南宁市2023届高三第一次适应性测试(文科)数学试题广西南宁市2023届高三第一次适应性测试(理科)数学试题(已下线)专题15解析几何(选择填空题)(已下线)专题13 双曲线与特殊角有关的离心率问题
7 . 已知双曲线
的焦点到渐近线的距离为4,实轴长为6,则
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 若双曲线
的一条渐近线方程为
,则双曲线
的离心率为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a7997228dd3d595f3891b0361c77b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2023-03-13更新
|
792次组卷
|
3卷引用:广西桂林市国龙外国语学校2023届高三模拟考试数学(理)试题
9 . 已知双曲线
离心率为
,左、右焦点分别为
,点
在双曲线
的右支上,
(
为坐标原点).写出“直线
与
的左支有交点”的
一个值________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec053f40802aa99a5e4c02f2f0b3fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.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/ea0eca9162902e3fb14fdc3640961297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
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解题方法
10 . 已知
,
分别为双曲线
(
,
)的左、右焦点,P为双曲线右支上任意一点,若
的最小值为2c,
,则该双曲线的离心率是______ .
![](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/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/d09e9e828fd5995ddd4e5e605499541a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e4ee0d9eda21284d1c32cea08ef02d.png)
您最近一年使用:0次
2023-02-22更新
|
760次组卷
|
4卷引用:广西壮族自治区南宁市、河池市2024届高三教学质量监测二模数学试题