解题方法
1 . 已知双曲线的焦点在
轴上,中心在原点,离心率为
,且过点
.
(1)求双曲线的标准方程;
(2)双曲线的左右顶点为
,
,且动点
,
在双曲线上,直线
与直线
交于点
,
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb50ceaf1e64c741aee72f89f13c30e7.png)
(1)求双曲线的标准方程;
(2)双曲线的左右顶点为
![](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/5356182cc3bc478f7c2e3e6dee25e58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b41b827eb6d834ca24eeeded85646fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e628633cc7281f97dd3fd252c4c322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d70b4a9d6ed047b88c5b1070fbdc1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dd4a8187f339603e6b099d0ddace46.png)
您最近一年使用:0次
2 . 已知双曲线
的左、右焦点分别为
,
,点A在双曲线上且
,若
的内切圆的半径为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.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/33e28ab31420e65610dd19f73de4ffb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022·上海·模拟预测
名校
解题方法
3 . 已知双曲线
,双曲线上右支上有任意两点
、
,满足
恒成立,则
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8074822f47553df118dd3c1897d0843e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b225d772013d021cf1bfe7b9421fa5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b7e35faab6d74fa0c36599c39d1698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7d42f9e47a7a236a455fdd4d80573a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
4 . 在平面直角坐标系
中,已知直线
,点
,动点
到点
的距离是它到直线
的距离的
倍,记
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过点
且斜率大于
的直线交
于两点,点
,连接
、
交直线
于
、
两点,证明:点
在以
为直径的圆上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11449658adfc07dcf4fc0b25e7ed7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14436636ec6a7aec09cb63cecf6e970d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23728b4c0467a27d90f71b424f6a946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2021-11-30更新
|
1408次组卷
|
4卷引用:江苏省盐城市滨海中学2022届高三下学期高考前指导数学试题(二)
名校
解题方法
5 . 已知双曲线
的左、右焦点分别为
,
,过
且斜率为
的直线与双曲线在第二象限的交点为A,若
,则此双曲线的渐近线为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c58171a47ab1f8895487636ee275fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483801f8c5fa3737f5d1237c89066adf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-11-06更新
|
2460次组卷
|
6卷引用:浙江省宁波市镇海中学2022届高三下学期6月仿真模拟数学试题
浙江省宁波市镇海中学2022届高三下学期6月仿真模拟数学试题(已下线)考点39 双曲线-备战2022年高考数学典型试题解读与变式(已下线)解密15 双曲线方程(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(新高考专用)(已下线)热点09 解析几何-2022年高考数学【热点·重点·难点】专练(新高考专用)湖北省部分重点中学2021-2022学年高三上学期期中第一次联考数学试题四川省成都市东部新区养马高级中学2022-2023学年高二上学期期中考试数学(理)试题
名校
6 .
、
分别为双曲线
的左、右焦点,过
的直线
与
的左、右两支曲线分别交于
、
两点,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d68d76d799fd675391ca24122899c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9407dd040f0fc6216e18f9b28bc45d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45febf578b674dac8480be52d027018a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3060414533d6e2f0a975f808b4aebb7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-05-28更新
|
1067次组卷
|
4卷引用:湖北省宜昌市夷陵中学2022届高三下学期5月四模数学试题
名校
解题方法
7 . 已知双曲线
的左右焦点为
,点
是双曲线上任意一点,若
的最小值是
,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/72ba951ce58ff7fb59c57e2d349fdc4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fddc29037a26719130e6548f25a2500a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2020-06-05更新
|
937次组卷
|
6卷引用:四川省泸州市泸县第四中学2022届高三三诊模拟考试理科数学试题
四川省泸州市泸县第四中学2022届高三三诊模拟考试理科数学试题四川省泸州市泸县第四中学2022届高三三诊模拟考试文科数学试题四川省绵阳市2020届高三高考适应性考试(四诊)文科数学试题四川省绵阳市2020届高三年级高考适应性考试(四诊)理科数学试题(已下线)3.2 双曲线(已下线)专题2.3 双曲线-2020-2021学年高二数学课时同步练(苏教版选修2-1)