名校
解题方法
1 . 设双曲线
的左、右顶点分别为
,
,左、右焦点分别为
,
,
,且
的渐近线方程为
,直线
交双曲线
于
,
两点.
(1)求双曲线
的方程;
(2)当直线
过点
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c4088276acdbede4781b2ebc466366.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e6418c268ad440341271e980fceb7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dec7f6309562276a49560c17c98dedf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ed24bfcc37b79fe9ca61ed8fdf26ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5604d3e156df3e7ccca0ccec9c9d45.png)
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名校
2 . 已知平面上到定点
的距离与到定直线
:
的距离之比为常数
的点的轨迹为曲线
.
(1)求曲线
的方程;
(2)把曲线
及直线
都向左平移5个单位长度,得到曲线
及直线
,写出
及
的方程(只写出结果);
(3)若
,
是
上的两点,且
.直线
交直线
于点
,求直线
与直线
所成锐角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1d8736a2f5a41c1942f8684ab3a81d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35254a53dabcf0e63e437774ceaf417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)把曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47f5817ab7b88e9d8a83dd086ffdb3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47f5817ab7b88e9d8a83dd086ffdb3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(3)若
![](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/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660964e4c6710e01ba34521ad419c3ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963111aff6952322dfaca75ae069873c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
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3 . 已知
为双曲线
上的动点,
,
,直线
:
与双曲线的两条渐近线交于
,
两点(点
在第一象限),
与
在同一条渐近线上,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22962a2ad892cb6b14ab039a06e8cdc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4334e343daae170f14d086661bc5792a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee21db6628e4db3f5831370549fa96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799df415a826f84df12686400abf9da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14951c7371c0667f5e58a6650811d43b.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173baaaafcf5e38003522a34b4249d09.png)
A.![]() | B.![]() | C.0 | D.![]() |
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2024-05-09更新
|
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|
2卷引用:湖北省黄石市第二中学2023-2024学年高三下学期三模考试数学试题
名校
解题方法
4 . 在平面直角坐标系
中,双曲线
的左、右焦点分别为
的离心率为2,直线
过
与
交于
两点,当
时,
的面积为3.
(1)求双曲线
的方程;
(2)已知
都在
的右支上,设
的斜率为
.
①求实数
的取值范围;
②是否存在实数
,使得
为锐角?若存在,请求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704bfc280d817fb77006ee98d4d7e5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05739577d493cc19852de143d8793670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42fc33bcfc63ec2f4940ccd3f862400.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27935c1ef4df2d52ac697678a3c8f39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-08-18更新
|
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8卷引用:湖北省黄冈市浠水县第一中学2024届高三下学期第一次高考模拟数学试题
湖北省黄冈市浠水县第一中学2024届高三下学期第一次高考模拟数学试题甘肃省武威市四校联考2024届高三上学期新高考备考模拟(开学考试)数学试题(已下线)考点19 解析几何中的探索性问题 2024届高考数学考点总动员【练】广东省2024届高三数学新改革适应性训练二(九省联考题型)(已下线)最新模拟重组精华卷1-模块一 各地期末考试精选汇编(已下线)(新高考新结构)2024年高考数学模拟卷(二)广东省云浮市云安区云安中学2024届高三下学期3月模拟考试数学试题上海市闵行中学2024届高三下学期4月月考暨二模模拟考试数学试卷
5 . 已知离心率为
的双曲线
,直线
与C的右支交于
两点,直线l与C的两条渐近线分别交于
两点,且从上至下依次为
,
.
(1)求双曲线C的方程;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1884af3757b9a3a4df4b0ed40639dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21543d22e364aeae9e6393bea5ed943a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f0dc41df8ee826a1761936481f4fd9.png)
(1)求双曲线C的方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323eb2e41f461ac655012a986d5a27bb.png)
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名校
解题方法
6 . 已知双曲线
的左、右焦点分别为
,
,过
且斜率为
的直线与双曲线在第二象限的交点为A,若
,则此双曲线的渐近线为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c58171a47ab1f8895487636ee275fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483801f8c5fa3737f5d1237c89066adf.png)
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2021-11-06更新
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6卷引用:湖北省部分重点中学2021-2022学年高三上学期期中第一次联考数学试题
湖北省部分重点中学2021-2022学年高三上学期期中第一次联考数学试题(已下线)考点39 双曲线-备战2022年高考数学典型试题解读与变式(已下线)解密15 双曲线方程(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(新高考专用)(已下线)热点09 解析几何-2022年高考数学【热点·重点·难点】专练(新高考专用)浙江省宁波市镇海中学2022届高三下学期6月仿真模拟数学试题四川省成都市东部新区养马高级中学2022-2023学年高二上学期期中考试数学(理)试题
7 . 已知
是坐标原点,
是双曲线
的左焦点,过
作
轴的垂线,垂线交该双曲线的一条渐近线于点
,在另一条渐近线上取一点
,使得
,若
,则双曲线
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/d5cf68e8fd32aa3d47ada55d9c341036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c747ee4d8769125ccbc2ba1588f8cafa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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8 .
、
分别为双曲线
的左、右焦点,过
的直线
与
的左、右两支曲线分别交于
、
两点,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d68d76d799fd675391ca24122899c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9407dd040f0fc6216e18f9b28bc45d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45febf578b674dac8480be52d027018a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3060414533d6e2f0a975f808b4aebb7.png)
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2021-05-28更新
|
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4卷引用:湖北省宜昌市夷陵中学2022届高三下学期5月四模数学试题
名校
解题方法
9 . 已知双曲线
,
分别为双曲线的左右焦点,
为双曲线
上一点,且位于第一象限,若三角形
为锐角三角形,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0017262e45089093f70001cae2c60257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5a8e1bc9748e5519dcd9981b7eb251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-06-21更新
|
543次组卷
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8卷引用:湖北省襄阳五中、夷陵中学、钟祥一中三校2020届高三下学期6月高考适应性考试文科数学试题
名校
10 . 设经过点M(2,1)的等轴双曲线的左、右焦点分别为F1,F2,若此双曲线上的一点N满足
,则△NF1F2的面积为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9246af9a4775bbfb3bcf366e536fc6.png)
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2018-10-03更新
|
933次组卷
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6卷引用:湖北省武汉市新洲区部分学校2022-2023学年高二下学期期末联考数学试题