1 . 若
是圆
所在平面内的一定点,
是圆
上的一动点,线段
的垂直平分线与直线CP相交于点
,则点
的轨迹可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.圆 | B.椭圆 | C.双曲线 | D.抛物线 |
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名校
解题方法
2 . 已知双曲线
的右焦点为
,过原点
的直线
与双曲线
交于
两点(点
在第一象限),
为线段
的中点,若
,
,则双曲线
的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5be2c39d9896d876338fb5ca628bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/379ca6a1fff360535d948fa3f4869f2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51517f6e2322b35a2f3aa20ede496c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7d6e933cc7b16f6f1201e222d219ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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3 . 如图,双曲线C:
的左焦点为F1,双曲线上的点P1与P2关于y轴对称,则
的值是( )
![](https://img.xkw.com/dksih/QBM/2021/12/13/2871831980900352/2875370114752512/STEM/c9f619b4cf2a425b9e1e3a25cc6e0d4a.png?resizew=300)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58fa4a337f0b81b991fb32e8e6e3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fc2bc4e99e9f58c87354609e14a898.png)
![](https://img.xkw.com/dksih/QBM/2021/12/13/2871831980900352/2875370114752512/STEM/c9f619b4cf2a425b9e1e3a25cc6e0d4a.png?resizew=300)
A.3 | B.4 | C.6 | D.8 |
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解题方法
4 . 已知
,
是双曲线
:
的左、右焦点,过
作倾斜角为45°的直线分别交y轴与双曲线右支于点M,P,
,下列判断正确的是( )
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](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/42f5735fe060c00f24a7da6f9a50da34.png)
A.![]() | B.![]() |
C.E的离心率等于![]() | D.E的渐近线方程为![]() |
您最近一年使用:0次
2022-12-15更新
|
377次组卷
|
2卷引用:湖南省长沙市A佳教育联盟2022-2023学年高二上学期12月月考数学试题
名校
5 . 如图所示,已知双曲线
和椭圆
有共同的右焦点
,记曲线
为双曲线的右支和椭圆围成的曲线,若
,
分别在曲线
中的双曲线和椭圆上,则
周长的最小值等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab216f19f9ffbdb10aacf4ffc843f679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb4e661dd8d5735482cb24d2aed9bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.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/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a23d3baeaaf090c6c19cbb63f23e2c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/2ff0f4f9-1bd1-4fbb-9928-5ad182b5f542.png?resizew=196)
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2023-02-07更新
|
182次组卷
|
2卷引用:湖南省长沙市雅礼教育集团2022-2023学年高二下学期期中数学试题
名校
6 . 已知等轴双曲线的焦距为8,左、右焦点
,
在
轴上,中心在原点,点
的坐标为
,
为双曲线右支上一动点,则
的最小值为( )
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371d081ba06ee2aa378cf53b74b2cc72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a21c22883aa4d79a5d254d0f51af66.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-17更新
|
830次组卷
|
6卷引用:湖南省长沙市第一中学2022届高三下学期月考(八)数学试题
湖南省长沙市第一中学2022届高三下学期月考(八)数学试题山西省忻州市第一中学2019-2020学年高二上学期期末数学(理)试题(已下线)“8+4+4”小题强化训练(48)双曲线-2022届高考数学一轮复习(江苏等新高考地区专用)天津市第一中学2021-2022学年高二上学期期中数学试题(已下线)第三章 圆锥曲线与方程B卷(综合培优)-【双基双测】2021-2022学年高二数学同步单元AB卷(苏教版2019选择性必修第一册)广东省广州市第一一三中学2023-2024学年高二上学期阶段二(期中)数学试题
名校
7 . 设双曲线C:
的左焦点和右焦点分别是
,
,点A是C右支上的一点,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2345c4a372c8143281fbecca78f451b.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/64bd7d0dd109d61700df09b3ae366001.png)
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解题方法
8 .
为双曲线
的左、右焦点,过点
且斜率为1的直线与两条渐近线分别交于
两点,若
为双曲线
上一点,
的内切圆圆心为
,过
作
,垂足为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9badf534fafc05b2f6bb01060a87cbf6.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db0cc24753f6ea44c19c3cc49e26024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b58f3ddc445a997f732e590599654fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09c5d0dd2646fcaee3762e315272c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9badf534fafc05b2f6bb01060a87cbf6.png)
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9 . 设双曲线
的左、右焦点分别为
,O为坐标原点.以
为直径的圆与双曲线的右支的一个交点为P,且以
为直径的圆与直线
相切,若
,则双曲线的焦距等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d107e77106ff1a9cb76b504bbc99bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05cb42d0a9194de4a06d4296ca5ae6a.png)
A.![]() | B.6 | C.![]() | D.3 |
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2020-09-27更新
|
685次组卷
|
2卷引用:湖南省长沙市雅礼中学2023届高三下学期月考(六)数学试题
名校
10 . 已知点P是双曲线
上的动点,
,
分别为双曲线的左,右焦点,O为坐标原点.若点M是
的角平分线上的一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc74f5fd5c54d959944338f00d35321.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a44342c2ee26a279265225982499b71.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/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b8f322ba342cdd410d15fdfc8eea0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc74f5fd5c54d959944338f00d35321.png)
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