名校
解题方法
1 . 如图,
、
是双曲线
的左、右焦点,过
的直线
与双曲线的左、右两支分别交于点
,若
,
,
,则双曲线的离心率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/6b5168d5-fc00-4e11-8fef-790872caeb52.png?resizew=189)
![](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/177ae60ade0b7ac20e7bdc40eaa1ef5a.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9653e91d0abf2a812ccdc87b74d8abb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec50c204100c80b6ce3e0520d937ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/154732181b50b143ac6fa02da4ee95f7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/6b5168d5-fc00-4e11-8fef-790872caeb52.png?resizew=189)
A.4 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-05-01更新
|
1134次组卷
|
3卷引用:江西省南昌市南昌县莲塘第一中学等2校2023届高三二模数学(文)试题
江西省南昌市南昌县莲塘第一中学等2校2023届高三二模数学(文)试题(已下线)安徽省(九师联盟)2023届二模数学试题变式题6-10四川省成都金苹果锦城第一中学2023-2024学年高二上学期期中考试数学试题
解题方法
2 . 已知双曲线
的左、右焦点分别为
为双曲线右支上一点,
为
的内切圆上一点,则
取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ed463bf16c78a4bbb9d3acff922afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae78fcef519780c5647888c463efd8f2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
3 . 足球是大众喜爱的运动,足球比赛中,传球球员的传球角度、接球球员的巧妙跑位都让观众赞不绝口.甲、乙两支球队一场比赛的某一时刻,三位球员站位如图所示,其中A,B点站的是甲队队员,C点站的是乙队队员,
,这两平行线间的距离为
,
,点B在直线l上,且
,这时,站位A点球员传球给站位B点队友(传球球员能根据队友跑位调整传球方向及控制传球力度,及时准确传到接球点),记传球方向与
的夹角为
,已知站位B,C两点队员跑动速度都是
,现要求接球点满足下面两个条件:
①站位B点队员能至少比站位C点队员早
跑到接球点;
②接球点在直线l的左侧(包括l);则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e03566282ef39ad17821036f228174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b7606a47cc0fb44933560bd9190bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cc6c8b5d83ceb1b5c74bd01f5e6c86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f8d5e5020075d7dc16a9fb2aab0563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53b8d0efaa15bbdd5bdb3817485bb75.png)
①站位B点队员能至少比站位C点队员早
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9cef3cfbceabc23b7410c4be4e638e.png)
②接球点在直线l的左侧(包括l);则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/24/14057e05-17e2-4096-973c-5e059415fc87.png?resizew=179)
您最近一年使用:0次
2023-04-23更新
|
480次组卷
|
3卷引用:江西省南昌市2023届高三二模数学(理)试题
名校
解题方法
4 . 已知双曲线
(
,
)的左、右焦点分别为
,
,P是圆
与
的一个交点,若
的内切圆的半径为a,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8f490e9488ca8672554ead4650e8da.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/95c87822350c8d4a5ac2f32837880798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2023-04-18更新
|
320次组卷
|
2卷引用:江西省抚州市金溪县第一中学2023届高三下学期4月考试数学(文)试题
名校
解题方法
5 . 已知抛物线
的焦点为F,其准线
与坐标轴交于点A,点P为E上一点,当
取最小值时,点P恰好在以A,F为焦点的双曲线
上,则双曲线
的实轴长等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27de9a2cc69a70040945599016583e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768508b1a1b05f0d3e8cd4d2464344df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-04-18更新
|
752次组卷
|
4卷引用:江西省抚州市金溪县第一中学2023届高三下学期4月考试数学(文)试题
名校
解题方法
6 . 已知双曲线
的左、右焦点分别为
,
,P是圆
(
)与
的一个交点,若
的内切圆的半径为a,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d2b05d20e954445dd0f4b373830f97.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/26edd7d076460e7aa7e8f319cb2be370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e4ee0d9eda21284d1c32cea08ef02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2023-04-15更新
|
1175次组卷
|
7卷引用:江西省抚州市金溪县第一中学2023届高三下学期4月考试数学(理)试题
江西省抚州市金溪县第一中学2023届高三下学期4月考试数学(理)试题九师联盟2023届高三下学期4月联考理科数学试题(老教材)安徽省(九师联盟)2023届二模数学试卷山西省运城市2023届高三二模数学试题(A卷)(已下线)安徽省(九师联盟)2023届二模数学试题变式题6-10(已下线)模块六 专题14 易错题目重组卷(山西卷)(已下线)3.2.2双曲线的简单几何性质(第1课时)(分层作业)(3种题型分类基础练+能力提升练)-【上好课】高二数学同步备课系列(人教A版2019选择性必修第一册)
名校
解题方法
7 . 已知
,
分别为双曲线C:
(
,
)的左、右焦点,双曲线上存在一点P使得
,且
的内切圆与y轴相切,则该双曲线的离心率为( )
![](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/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/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023·江西吉安·一模
名校
8 . 已知A为双曲线
的左顶点,
为C的右焦点,过点A的直线与圆
相切,且直线交C于点B,设
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a67204351c37ae295ee4feea76d12ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa97da7506a19616ee39854891b01733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af6c0a9908bb6a1202d1deb4f4ec56c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知双曲线
的左右焦点分别为
,M双曲线C左支上一点,且
,点F1关于直线
对称的点在y轴上,则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5dcd508629095d063e9aa13c65e946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4eceab5421f6fd2ccba9bee6ce35d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183b6a0cef4256c9696a5bca31053da5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-03-26更新
|
741次组卷
|
5卷引用:江西省九江市2023届高三高考二模数学(理)试题
解题方法
10 . 已知双曲线
的左右焦点分别为
,M是双曲线C左支上一点,且
,点
关于点M对称的点在y轴上,则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5dcd508629095d063e9aa13c65e946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b490e09248ea3242ec67afae8d00c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次