名校
解题方法
1 . 已知
是双曲线
的右焦点,点
在
的右支上,坐标原点为
,若
,且
,则双曲线
的离心率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38871ad7c60b9a1f55ea56ab406e825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eeca7935e832c5f1d2a588a33b83f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2020-05-11更新
|
145次组卷
|
2卷引用:狂刷44+双曲线-学易试题君之小题狂刷2020年高考数学(理)
2 . 已知动点
满足
,则点
的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/584cda80874f31bd1e6fec08f2fad9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.双曲线 | B.椭圆 | C.抛物线 | D.圆 |
您最近一年使用:0次
名校
解题方法
3 . 直角坐标系xOy中,双曲线
的左焦点为F,A(1,4),P是右支上的动点,则|PF|+|PA|的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91403d0098ff1e9fa1db2e6c95287f51.png)
A.8 | B.9 | C.10 | D.12 |
您最近一年使用:0次
2020-05-03更新
|
598次组卷
|
6卷引用:广东省江门市2019-2020学年高三下学期4月模拟数学(文)试题
广东省江门市2019-2020学年高三下学期4月模拟数学(文)试题宁夏长庆高级中学2021届高三上学期第五次月考数学(文)试题江西省南昌市第二中学2020-2021学年高二上学期期中考试数学(理)试题(已下线)【南昌新东方】江西省南昌二中2020-2021学年高二上学期11月第二次月考数学(理)试题14山西省大同市第一中学校2021-2022学年高二上学期10月月考数学试题河南省重点高中2021-2022学年高二上学期阶段性调研联考一理科数学试题
4 . 已知
分别是双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
的左、右焦点,
的坐标为
,若双曲线的右支上有一点
,且满足
,则该双曲线的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26d3f9d8344e1c727fbbed5421daaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ca5ff6d957b3f6bfb307e517c8e1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ba86cf0b6225a622409a69319dc2a6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 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
6 . 已知双曲线
的左,右焦点分别为
、
,点
在双曲线上,且
,
的平分线交
轴于点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c477e5ade921ffa8377c4719319380ff.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/9df44ca8a2848775c266c9dce3f9b2ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4846f0f16f8651e0b98e70a6ce0c66.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-20更新
|
1669次组卷
|
5卷引用:2020届东北三省三校哈尔滨师大附中、东北师大附中、辽宁省实验中学高三第一次联合模拟考试理科数学试题
2020届东北三省三校哈尔滨师大附中、东北师大附中、辽宁省实验中学高三第一次联合模拟考试理科数学试题甘肃省民乐县第一中学2019-2020学年高三3月线上考试数学(理)试题(已下线)专题05 平面解析几何-2020年高三数学(理)3-4月模拟试题汇编(已下线)第一篇双曲线02-2020年高考数学二轮复习选填题专项测试(文理通用)(已下线)专题2 图形分割 定理优先【讲】(经典母题)
名校
解题方法
7 . 已知点
是双曲线
的左右焦点,点
在双曲线
右支上,且
,直线
的斜率为
,则双曲线
的渐近线方程为( )
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f74d73e49f9d6d7f2b4acccb41f94a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-17更新
|
331次组卷
|
2卷引用:四川省绵阳南山中学实验学校2020届高三(高中2017级)五月月考数学(理科)试题
8 . 已知
是双曲线
上的点
、
是其左、右焦点,且
,若
的面积为
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84877e3edb96709f05cbaa59ad51984c.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/4170cdf9725650e61d4b79daa3a40088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9df1061c3ba5151ba2f7359acaf356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-26更新
|
966次组卷
|
6卷引用:文科数学-2021年高考押题预测卷(新课标Ⅰ卷)01
名校
解题方法
9 . 已知双曲线C:
,(
,
)的左、右焦点分别为
,
, O为坐标原点,P是双曲线在第一象限上的点,
,(
),
,则双曲线C的渐近线方程为
![](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/41a41b1d7351ba8d2ef340ed67eee0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c625ef2b5257f657a4acca56ecfbcd16.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-02-16更新
|
875次组卷
|
8卷引用:2020届山东省青岛市高三上学期期末数学试题
名校
解题方法
10 . 设
、
为双曲线
左、右焦点,过
的直线交双曲线左、右两支于点
、
,连接
、
,若
,且
,则双曲线的离心率为______ .
![](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/3040b6c904477030ecf8ba20b2b18759.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90a03b11a51bd7824aa4094526e5aec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e0ec90c659a89984e4f224cc27b587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9f07dda29853ea7d12bafdec682bdf.png)
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2020-02-15更新
|
826次组卷
|
6卷引用:2020届安徽省芜湖市高三上学期期末数学(理)试题
2020届安徽省芜湖市高三上学期期末数学(理)试题2020届高三1月(考点08)(理科)-《新题速递·数学》(已下线)第十八篇离心率01—2020年高考数学选填题专项测试(文理通用)(已下线)专题41 盘点圆锥曲线中的中点弦及焦点弦问题——备战2022年高考数学二轮复习常考点专题突破四川省南充高级中学2019-2020学年高二下学期3月线上月考数学(文)试题四川省南充高级中学2019-2020学年高二下学期3月线上月考数学(理)试题