1 . 已知双曲线
的左、右焦点分别为
,
,离心率为
,若O为坐标原点,点P为双曲线上一点,且P在第一象限,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74518fed7a017a94f2b77a50148cf12c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8074822f47553df118dd3c1897d0843e.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/31f8f7e40ba386c0a9675896b52752d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b3a08562f45d06689a988ff690a62b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74518fed7a017a94f2b77a50148cf12c.png)
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解题方法
2 . 已知双曲线C的中心位于坐标原点,焦点在坐标轴上,且虚轴比实轴长.若直线
与C的一条渐近线垂直,则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00648a177cb43de64466392de7b21192.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-09更新
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2162次组卷
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3卷引用:山东省青岛第五十八中学2023-2024学年高二上学期期末模块考试数学试卷
名校
3 . 若曲线
,且
分别是1与9的等差中项与等比中项,则下列描述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc0e331afd615d8f10fbabd0b646e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
A.曲线![]() ![]() |
B.曲线![]() ![]() |
C.曲线![]() ![]() |
D.曲线![]() ![]() |
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2023-01-13更新
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605次组卷
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6卷引用:山东省青岛第五十八中学2023-2024学年高二上学期期末模块考试数学试卷
名校
解题方法
4 . 已知圆
,
为圆内一点,将圆折起使得圆周过点
(如图),然后将纸片展开,得到一条折痕
,这样继续下去将会得到若干折痕,观察这些折痕围成的轮廓是一条圆锥曲线,则该圆锥曲线的方程为 ( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/4791e784-d8bd-4b83-b4a9-ea8b8670daa6.png?resizew=137)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f57d01fd06321ee407dbc88b01a9817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e1a85a657231ef717809d5a839ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/4791e784-d8bd-4b83-b4a9-ea8b8670daa6.png?resizew=137)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-13更新
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1037次组卷
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6卷引用:山东省青岛第五十八中学2023-2024学年高二上学期期末模块考试数学试卷
山东省青岛第五十八中学2023-2024学年高二上学期期末模块考试数学试卷江苏省盐城中学2022-2023学年高二上学期期末数学试题山西省朔州市怀仁市第一中学校2023-2024学年高二上学期1月期末数学试题(已下线)专题3.1 椭圆及其标准方程【六大题型】-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)辽宁省大连市第八中学2023-2024学年高二上学期期中考试数学试题(已下线)专题06 椭圆的压轴题(6类题型+过关检测)-【常考压轴题】2023-2024学年高二数学上学期压轴题攻略(人教A版2019选择性必修第一册)
5 .
(1)若实数m满足的方程
表示焦点在y轴上的椭圆,求m的取值范围;
(2)若实数m满足的方程
表示双曲线,求实数m的取值范围.
(1)若实数m满足的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeea9ab56d00e8ebb01fa4fef5db2fdb.png)
(2)若实数m满足的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a239b951a3b495c51b60b24a87d10c96.png)
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2023-01-22更新
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250次组卷
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2卷引用:山东省青岛市青岛第六十七中学2022-2023学年高二上学期期末数学试题
6 . 已知
为坐标原点,圆
的圆心为点
,点
与
关于原点对称,
关于直线
的对称点
恰在圆
上,直线
与直线
交于点
,记点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)设不经过
的直线
与曲线
交于两个不同点
,
,直线
,
,
的斜率依次成等差数列,记点
到直线
的距离为
,直线
上两点
,
的纵坐标之差为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1cee60321076413034c6085a78cdd47.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)设不经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b66e4403ef75f4ad01fe86693a1bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c851a631d70ac8a5efbb6970ba42b91.png)
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2卷引用:山东青岛四区县2022-2023学年高二上学期期末考数学试题
解题方法
7 . 已知双曲线
,点
,
在
上,
的中点为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0017262e45089093f70001cae2c60257.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.直线![]() ![]() |
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8 . 已知
,
是双曲线
的两个顶点,
的离心率为
,
为
上一点,记直线
,
的斜率分别为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d82f6055983b8e9bb5a9cd8e09ebe5.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.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/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d82f6055983b8e9bb5a9cd8e09ebe5.png)
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解题方法
9 . 已知
为坐标原点,过椭圆
内部一点
分别作
轴和
轴的平行线,并分别交椭圆
于
,
两点和
,
两点,已知
,
,
,
.则椭圆
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5b08d19301425f0f880ebc13d30aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038a72e394dc57f2db81cf27362e7ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7032638471bd8884487f4c825b9a9d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad181c1b49d42f9599bf11fe04df30a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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10 . 已知双曲线
的渐近线方程为
,实轴长
.
(1)求
的方程;
(2)若直线
过
的右焦点与
交于
,
两点,
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3051f43ac48c0a730a791b8a93ad37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de65e7b69e762d8deb3e1e687e78b06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023-01-14更新
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319次组卷
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3卷引用:山东青岛四区县2022-2023学年高二上学期期末考数学试题