名校
解题方法
1 . 双曲线
的离心率e的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44da8ce797ecc250fd9bde266d509adc.png)
A.![]() | B.![]() | C.![]() | D.3 |
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2024-06-11更新
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456次组卷
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2卷引用:广东省高州市2024届高三下学期适应性考试数学试题
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解题方法
2 . 已知圆锥曲线
的焦点在
轴上,且离心率为2,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d0cd198f423d1a7d6b9a7999c18ee.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2085af2326d0e13a12d3db8dbb79f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d0cd198f423d1a7d6b9a7999c18ee.png)
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2024-06-08更新
|
1001次组卷
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5卷引用:广东省华南师范大学附属中学2024届高三下学期5月适应性考试数学试题
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解题方法
3 . 若双曲线
的一条渐近线与直线
垂直,且
在
上,则
的实轴长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1831352877c21c4d2af0306e1c5af5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.1 | B.2 | C.3 | D.4 |
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解题方法
4 . 已知双曲线E:
的两条渐近线与抛物线C:
分别相交于点O,M,N,其中O为坐标原点,若
的面积为2,则E的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
A.![]() | B.![]() | C.2 | D.![]() |
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5 . 下列说法正确的是( )
A.椭圆![]() |
B.![]() ![]() |
C.双曲线![]() ![]() |
D.抛物线![]() ![]() |
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解题方法
6 . 已知
,
是双曲线C的两个焦点,P为C上一点,且
,
,则C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/0de4412a055cb1a28297bbe606a071db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29aa3bd463abf39a3f63e077abcc28.png)
A.![]() | B.![]() | C.![]() | D.3 |
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7 . 已知
分别是双曲线
的左、右焦点,
是
的左支上一点,过
作
角平分线的垂线,垂足为
为坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10c47f21b7a0a4e695969effea855f4.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb38ddc1180f5a3d8d63b525d176fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22a3c7e465a61e9849dd223261be47c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de10f0277f23e757be5bf05d0e1b14bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10c47f21b7a0a4e695969effea855f4.png)
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2024-05-14更新
|
936次组卷
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3卷引用:广东省揭阳市2024届高三下学期二模考试数学试题
名校
8 . 已知双曲线E的实轴长为6,且与椭圆
有公共焦点,则双曲线E的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd45c807c5b4278b917b69b4975cfb4e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-03更新
|
367次组卷
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2卷引用:广东省佛山市南海区南海中学2023-2024学年高二下学期第一次阶段考试数学试卷
9 . 在平面直角坐标系中,点
的坐标分别为
,以
为圆心作一个半径为4的圆,点
是圆上一动点,线段
的重直平分线与直线
相交于点
.
(1)求
的轨迹
的方程;
(2)已知
,点
是轨迹
在第一象限内的一点,
为
的中点,若直线
的斜率为
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9985fd5d82e56eacce44d825e940598f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7559e9bb2b995b216353f339518629aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b95463a97c60db3250cb641bf6523d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bf4166dd077b45308536dc771d4358.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2375a27ead9549550676d4e6a2b47243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bf4166dd077b45308536dc771d4358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84fb85c78522640bcaf889f89ad89de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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名校
解题方法
10 . 如图,平面四边形
中,
,
.若
是椭圆
和双曲线
的两个公共焦点,
是
与
的两个交点,则
与
的离心率之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bca7c0662dc9715b7cff113673763c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.![]() | B.![]() | C.2 | D.3 |
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2024-05-01更新
|
816次组卷
|
2卷引用:广东省茂名市高州中学2023-2024学年高二下学期期中考试数学试题