2023·全国·模拟预测
解题方法
1 . 在平面直角坐标系
中,已知双曲线
的焦点到渐近线的距离不大于
,
、
分别为
的左、右两支上一点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10f49d2e58f79a67647aefc78ee4721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcdf96b69fbbd7edf177e76e391d39b.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/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.![]() | B.4 | C.![]() | D.2 |
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2023·全国·模拟预测
名校
解题方法
2 . 设双曲线的左、右顶点分别为
,
,焦距为
,两条渐近线的夹角为
.设点
的坐标为
.若
为等腰三角形,则
( )
![](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/f8dcc91c2ffb5571eaf944c34f5e8ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f00fdb0b1dfb21a2e192990b79be37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b9aceea086efe900c1faebf33ae5ac.png)
A.![]() | B.![]() | C.![]() | D.2 |
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2023·全国·模拟预测
3 . 双曲线
的一条渐近线方程为
,左、右焦点分别为
,
,
为圆
与该双曲线的一个公共点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2018ccfcce2fbbf16809bc16add04a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d5466d7572e5049cb54626bf5dd970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91a18f8751aa1008f1e43516a588207.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/be68dfb4d8b5f3adfc250b7d23e64165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2018ccfcce2fbbf16809bc16add04a.png)
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解题方法
4 . 已知双曲线
的左、右焦点分别为
,
,直线
与双曲线C的左、右两支分别交于P,Q两点,若
,则双曲线C的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.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/8847e64ef4dd0df1dcfa960a7ab5059d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68012647ba61461ac663970456323e19.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
5 . 已知
是双曲线
的左焦点,
是
的右顶点,过点
作
轴的垂线交双曲线的一条渐近线于点
,连接
交另一条渐近线于点
.若
,则双曲线
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4cd788570cf3661036014963818a17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
6 . 已知双曲线
的离心率为
,过双曲线右焦点F且与渐近线平行的直线交双曲线于点P,若
,则双曲线的虚轴长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa585b9257ed0798213a9ae9b87d291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36657672f008c67ef9784167aae8e302.png)
A.![]() | B.3 | C.![]() | D.![]() |
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解题方法
7 . 已知双曲线
:
的右焦点为
,过
分别作
的两条渐近线的平行线与
交于
,
两点,若
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e35874d502510d35442ade2169ebee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023·全国·模拟预测
解题方法
8 . 已知双曲线
的左、右焦点分别为
,
关于C的一条渐近线的对称点P恰好在C上,若直线
交C的左半支于点Q,则
( )
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da01a3abe1c9dc4e6283afa0dc1a0d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8b5b8383e3797bc1325835216637527.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023·全国·模拟预测
9 . 已知O为坐标原点,
,
分别是双曲线C:
的左、右焦点,过
且斜率为
的直线与C的两条渐近线分别交于A,B两点(点A在第二象限),且四边形
是梯形,则
( )
![](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/1084401c5f8ef3543f1f0d82c92e4c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f17dcd6924ab59976b2015fab46441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02461dfb1867378c904993f5f95d07d6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023·全国·模拟预测
解题方法
10 . 如图,双曲线
的左、右焦点分别为
,
,以
为直径的圆与双曲线
的两条渐近线分别交于
,
,
,
四点.若
,则四边形
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/e229533c-3ca9-4245-bd46-9ad747a42d22.png?resizew=208)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1eba4146208a9b519ee2cf649e733c4.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/8cdfc6a59392d1ac3cd89ddc0308864c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d9a993ee96bde6d26b10ae3244c7a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134c3d2c318a33a82da4134dd17fa57e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/e229533c-3ca9-4245-bd46-9ad747a42d22.png?resizew=208)
A.![]() | B.![]() | C.![]() | D.![]() |
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