解题方法
1 . 已知双曲线
的焦距为
,则双曲线
的焦点到渐近线的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c6960ebff0185b97ebd916b37abbed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 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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3 . 已知曲线C:
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abd48b616fb21dbc50c96c49c9b291e.png)
A.存在m,使C表示圆 |
B.当![]() ![]() |
C.当![]() ![]() ![]() |
D.当C表示双曲线时,则![]() ![]() |
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名校
解题方法
4 . 已知双曲线
的左右焦点分别为
,点
在
的渐近线上,且满足
.
(1)求
的方程;
(2)点
为
的左顶点,过
的直线
交
于
两点,直线
与
轴交于点
,直线
与
轴交于点
,证明:线段
的中点为定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a42451bdbef6c82dbaf8e06f0614794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/0f85fca60a11e1af2bf50138d0e3fe62.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/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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2024-03-07更新
|
1348次组卷
|
4卷引用:浙江省Z20名校联盟(名校新高考研究联盟)2024届高三第二次联考数学试题
解题方法
5 . 已知双曲线
:
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c03c605b95df4aa7d664f208f42c64.png)
A.双曲线![]() ![]() | B.双曲线![]() ![]() |
C.双曲线![]() ![]() | D.双曲线![]() ![]() |
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2024-03-07更新
|
172次组卷
|
2卷引用:河南省洛阳市2023-2024学年高二上学期期末考试数学试题
名校
解题方法
6 . 已知点P是双曲线
上任意一点,
,
是C的左、右焦点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bef93a53a2004910a8cac32f93c4b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
A.![]() | B.C的离心率为![]() |
C.![]() | D.C的渐近线方程为![]() |
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2024-03-07更新
|
299次组卷
|
3卷引用:云南省昭通市一中教研联盟2023-2024学年高二上学期期末质量检测数学试题(C卷)
云南省昭通市一中教研联盟2023-2024学年高二上学期期末质量检测数学试题(C卷)甘肃省武威市凉州区2023-2024学年高二下学期开校质量检测数学试卷(已下线)广东省佛山市第一中学2024届高三上学期第二次调研数学试题变式题11-16
解题方法
7 . 已知抛物线
的焦点与双曲线
的右焦点重合,双曲线
的渐近线方程为
.
(1)求抛物线
的标准方程和双曲线
的标准方程.
(2)斜率为2的直线
与抛物线
交于
两点,与
轴交于点
,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b141d4e411b2936496bfc63f2c6cf283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1958855dabc2b117503c0ebbe1eee7e7.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)斜率为2的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c077d6707bbc50cbe9eb0a6e7cacbfc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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解题方法
8 . 若双曲线方程为
,
为双曲线的一个焦点,点
在该双曲线上,
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c615fab3bffb9f6eeb9bf4591a458b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.双曲线的离心率为![]() | B.双曲线的渐近线方程为![]() |
C.双曲线的焦距为![]() | D.![]() ![]() |
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9 . 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
10 . 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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