名校
解题方法
1 . 如图所示,已知双曲线
的右焦点F,过点F作直线l交双曲线C于
两点,过点F作直线l的垂线交双曲线C于点G,
,且三点
共线(其中O为坐标原点),则双曲线C的离心率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c8091d78595c42d437ff5766431a8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bb3a0cefd6d2c7e136a699d01d1985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f939338ef5c658eecd937afb43d378cd.png)
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名校
解题方法
2 . 在平面直角坐标系
中,已知双曲线
经过点
,点
与点
关于原点对称,
为
上一动点,且
异于
,
两点.若
的重心为
,点
,则
的最小值______ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e7dd53895e16d6897807a2896fc6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/ac047e91852b91af639feec23a9598b2.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/8b40db0ba5eceb037bac99acf33f31b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e7915cbe166f565480b4cd8e65064d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7d23d4f032debf57dcb7f40d3c9c53.png)
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名校
3 . 已知双曲线
经过点
,则C的渐近线方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ce1534a372db7666711443631c4ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80991c1f0c963104740e50cfff6f29a8.png)
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4 . 在平面直角坐标系中,动点P与两个定点
和
的连线的斜率之积等于
,则点P的轨迹方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f9a2814013e2407b5b1c216159359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd15503ee692f8286b0312f7c6f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
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2024-06-09更新
|
115次组卷
|
2卷引用:云南省昆明市第一中学2024届高三第十次考前适应性训练数学试卷
名校
解题方法
5 . 如果双曲线关于原点对称,它的焦点在
轴上,实轴的长为8,焦距为10.则双曲线的标准方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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2024高三·全国·专题练习
解题方法
6 . 设双曲线C经过点(2 , 2), 且与
具有相同渐进线, 则C的方程为__________ ;渐进线方程为____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb1b9a8400b9ceb7a2e7497c8e5736c.png)
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解题方法
7 . 已知双曲线
过点
,且渐近线方程为
,则
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c443ec3bc947c6dbcfbe152759adf682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2024高三·全国·专题练习
8 . 已知双曲线C的中心为坐标原点,左焦点为
,离心率为
,则 C的方程_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f8030b07979f9db5027adaad857188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
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2024高三·全国·专题练习
9 . 已知双曲线C:
的一条渐近线方程为
,一个焦点到该渐近线的距离为
,则双曲线的方程为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe33e1dda1b4b1d5a7fc3023837c53d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222ae190a4191d5a8163e917496948bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9766dfef2a4159f49c7bd349fb36d670.png)
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解题方法
10 . 已知双曲线
(
,
),给定的四点
、
、
、
中恰有三个点在双曲线
上,则该双曲线
的离心率是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ce9692327f340625ba6882288b2786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33348b552183b3022bcd911c4f1f5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b0345320a6cb4983f0c0e5141861b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04bfd27fa9819bb579918f49a3538e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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