解题方法
1 . 已知双曲线方程为
(
),若直线
与双曲线左右两支各交一点,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423db9ff20877e08b9ea37df4bd09b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c6d3c99b7004603ba9ea9c341b8b3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 若双曲线
的渐近线与圆
相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dba06730bd5e28adb25ffca6bf7a36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2affa2f968907083e02d6bf0338607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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解题方法
3 . 已知双曲线
的一条渐近线方程为
,则
的焦距为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628d752d4a37103b0c8b8211af7a1ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87bb1a1ca81f6e17940926aa259f04c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
4 . 双曲线
的右焦点坐标为
,则该双曲线的渐近线方程为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c4f0f345262589806eba13ededd02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
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解题方法
5 . 双曲线
的一条渐近线是曲线
的切线,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3238f756acedc74ddd3dd7f3f7f660d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a540ab7ab5b7243fc45d9a7b0eccca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 记双曲线
的离心率为
,写出满足条件“直线
与
无公共点”的
的一个值____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad29d7c31087e13e266793832af17bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d532ce76942846df88c6f66112e50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
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解题方法
7 . 已知双曲线
的一条渐近线的倾斜角为
,则该双曲线的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965017ac28701e1bc9afe7668c751950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
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解题方法
8 . 已知双曲线
的右支上有一点
,点
关于坐标原点对称的点为
为双曲线
的左焦点,且满足
,当
时,双曲线
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6640bb4ae84c81b1cce121cf072ea00f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c507610f462120218e2cd1894c957eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b136a8a14d2834a358ddee61514b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2024-03-04更新
|
496次组卷
|
4卷引用:湖南省三湘创新发展联合体2023-2024学年高三下学期2月开学统试数学试题
名校
解题方法
9 . 已知标准方程的双曲线的一条渐近线方程为
,且过点
,则双曲线的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f52cb58b6bc5d71030463ba7e28134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238f0ea276a00ae8d681ce00cc11c8ea.png)
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10 . 双曲线
的左、右焦点分别为
,一条渐近线方程为
,则
的值为______ .若点
在双曲线
上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5ecc35b2ad878d62f4c4210023de15.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4e77ee93eed41774f3a44ab3e5436b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/e27ad0481b4eba360acafcc03919d4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5ecc35b2ad878d62f4c4210023de15.png)
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