名校
解题方法
1 . 已知双曲线
,焦点为
,其中一条渐近线的倾斜角为
,点
在双曲线上,且
.
(1)求双曲线
的标准方程;
(2)若直线
交
于
两点,若
的面积为
,求正实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c1d65ece55d4367f789bd24a865b25.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-06-09更新
|
1119次组卷
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3卷引用:重庆市第一中学2022-2023学年高二下学期期中数学试题
名校
2 . 已知直线
,若双曲线
与
均无公共点,则
可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c402b6505b9c23d07911f07e0d82e896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知点P是双曲线
的右支第一象限上的一点,
为双曲线E的左、右焦点,
的面积为20,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef40a891eb6009f166b47153f28fdfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.双曲线E的焦点在x轴上 | B.双曲线E的离心率为![]() |
C.点P的纵坐标为4 | D.点P的横坐标为![]() |
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4 . 已知平面内两个定点
,
,过动点M作直线
的垂线,垂足为N,且
.
(1)求点M的轨迹E的方程;
(2)若直线
与曲线E有且仅有一个交点,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2cdc82c7992068c32ec1c955026cbd.png)
(1)求点M的轨迹E的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd55f837e9c4e6bba1163ef13edd09b.png)
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2021-11-10更新
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5卷引用:重庆市第八中学2021-2022学年高二上学期半期数学试题
名校
5 . 抛物线
的焦点为F,其准线与双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c55e01348f3d583dfd8acfdb5863dc7.png)
相交于A,B两点,若
为等边三角形,则该双曲线渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a0ba4fbd3f2724f662e947e1293e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c55e01348f3d583dfd8acfdb5863dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893e658908683584084ea8cd2b1abb23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-02-09更新
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3卷引用:重庆市沙坪坝区南开中学校2019-2020学年高二上学期期中数学试题