1 . 已知
为双曲线C:
的左、右焦点,过
的直线交双曲线C右支于P,Q两点,则下列叙述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a218602e8e3a52f74f760059aa7014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
A.若![]() ![]() ![]() | B.弦![]() ![]() |
C.点P到两渐近线的距离之积为![]() | D.点P与直线![]() |
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2 . 已知双曲线E:
的左,右焦点分别为
,离心率为2,点B为
,直线
与圆
相切.
(1)求双曲线E方程;
(2)过
的直线l与双曲线E交于M,N两点,
①若
,求
的面积取值范围:
②若直线l的斜率为k,是否存在双曲线E上一点Q以及x轴上一点P,使四边形PMQN为菱形?若存在,求出
;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad29801f799532ee7dda9658c30e373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb7edd919d58c85c4813f43729eb5af.png)
(1)求双曲线E方程;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096a1ef5efc86957efc9fbf5a24c50a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
②若直线l的斜率为k,是否存在双曲线E上一点Q以及x轴上一点P,使四边形PMQN为菱形?若存在,求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b986e3613290b456532843d5ad4c6e67.png)
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3 . 对于椭圆:
,我们称双曲线:
为其伴随双曲线.已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
(
),它的离心率是其伴随双曲线
离心率的
倍.
伴随双曲线
的方程;
(2)如图,点
,
分别为
的下顶点和上焦点,过
的直线
与
上支交于
,
两点,设
的面积为
,
(其中
为坐标原点).若
的面积为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c9bebea391a1f9956dfcca98d9d1f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b26461529321c5e669bdf3c489c5d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf94b793fc211b45616da1d0b3335b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eac95d4bdf7fa0ad635dbd96f72b20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)如图,点
![](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/4bcd8ee2d8367c167d6ae0abc741b6b8.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/4bcd8ee2d8367c167d6ae0abc741b6b8.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/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7e00f8bacce4d649b535449f04568c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bee180aecbd9e8f22162d5757dfeea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56bb7149659e99f611509be0f3b7d0e8.png)
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2023-08-10更新
|
1249次组卷
|
9卷引用:江苏省南通市海安高级中学2023-2024学年高二上学期期中数学试题
解题方法
4 . 已知双曲线
:
的左、右焦点分别为
,
,右顶点为
,点
,
,
.
(1)求双曲线
的方程;
(2)直线
经过点
,且与双曲线
相交于
,
两点,若
的面积为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28c23cfc5eb8416cdf74c2da06e5656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad5be2e198bd719ad7cf3ad31e48992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e84fb5ce46d79a8bd0ae635a0d224c20.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/47ff8a5886e42095da57422c8777c10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cb28df13c4f8a64925dbf75175bed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2022-11-20更新
|
1349次组卷
|
3卷引用:江苏省南通市通州区2022-2023学年高二上学期期中数学试题
解题方法
5 . 已知双曲线
的焦点为
,
,点
在双曲线
上,满足
,
,则双曲线
的标准方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ada753580438fed0612f88d79b0ad4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b976243dd944629217f35588e5a7e7.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/f434c9d1e243f90bd9c5eac037017802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c3b6ab2db318740ad26650b54d33f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知双曲线
的左焦点为
,过点
的直线交
的左支于
两点,直线
:
为
的一条渐近线,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4239418be5e9c125cb6bf6e269386ba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94165c5047e68e952df7a8dc6dc32fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5f10f74e5aa77ac2bf800fc6bac468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
A.![]() |
B.存在点![]() ![]() |
C.![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
2022-10-26更新
|
460次组卷
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3卷引用:江苏省南通市如东县2022-2023学年高二上学期期中数学试题
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7 . 已知点P是双曲线
右支上一点,
是双曲线的左焦点O为原点,若
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e936447006d48523b3edd9a2b80db123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f2b708af9df825aefca9e649907bed.png)
A.双曲线的离心率为![]() | B.双曲线的渐近线为![]() |
C.点P到该双曲线左焦点的距离为18 | D.![]() |
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8 . 已知双曲线C的方程是:
(
,
),则下列说法正确的是( )
![](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)
A.当![]() ![]() |
B.过双曲线C右焦点F的直线与双曲线只有一个交点的直线有且只有2条; |
C.过双曲线C右焦点F的直线与双曲线右支交于M,N两点,则此时线段![]() |
D.双曲线C与双曲线:![]() ![]() ![]() |
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