解题方法
1 . 已知双曲线
:
,点
的坐标为
.
(1)设直线
过点
,斜率为
,它与双曲线
交于
、
两点,求线段
的长;
(2)设点
在双曲线
上,
是点
关于
轴的对称点.记
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ea74737939c0f94c91229a7098f36ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
(1)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77baf1fa73577379c76dea102b3370e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
解题方法
2 . 如图,已知双曲线
的右焦点为
,点
分别在
的两条渐近线上,且
在第一象限,
为坐标原点,若
,
,则双曲线
的离心率为( )
![](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/f6bce3d91ca23b86d8c6625f2632e437.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dad533c6c9af256c407a5771ffa9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e88134a8d9de9b7f145d8877d452ce5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/23/9d57448b-0971-451f-b029-5bcae25871ae.png?resizew=136)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 已知
是双曲线
上的两点.
(1)若
是坐标原点,直线
经过
的右焦点,且
,求直线
的方程;
(2)若线段
的中点为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de66df5b4cd1344339588b99bf7214a4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8054ffbc20935e7c9cfbf79bdad688f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2022-11-17更新
|
673次组卷
|
3卷引用:第08讲 直线与椭圆、双曲线、抛物线 (高频考点,精讲)-1
(已下线)第08讲 直线与椭圆、双曲线、抛物线 (高频考点,精讲)-1山西省部分名校2022-2023学年高二上学期期中联考数学试题福建省永泰县城关中学2022-2023学年高二上学期期中考试数学试题
2022·上海·模拟预测
名校
解题方法
4 . 已知双曲线
,双曲线上右支上有任意两点
、
,满足
恒成立,则
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8074822f47553df118dd3c1897d0843e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b225d772013d021cf1bfe7b9421fa5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b7e35faab6d74fa0c36599c39d1698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7d42f9e47a7a236a455fdd4d80573a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 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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名校
6 . 经过双曲线
的右焦点作倾斜角为45°的直线
,交双曲线于
,
两点,设
为坐标原点,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c477e5ade921ffa8377c4719319380ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ace585d3cc2e113a0927cdf9e56756a.png)
A.![]() | B.1 | C.2 | D.![]() |
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2021-01-16更新
|
595次组卷
|
4卷引用:第六节 双曲线 第二课时 直线与双曲线的位置关系 B素养提升卷
(已下线)第六节 双曲线 第二课时 直线与双曲线的位置关系 B素养提升卷陕西省西安交大二附中2019-2020学年高二上学期期末理科数学试题江西省安福中学2022-2023学年高二上学期期末考试数学试题江西省赣州市宁都县安福中学2022-2023学年高二上学期期末数学试题
名校
解题方法
7 . 已知双曲线
的焦点为
,
,其渐近线上横坐标为
的点
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb74c0c2d1e5305cf55cfb9605929268.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/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e29cd72e0bdf6e74bbf27b397fb123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.2 | D.4 |
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2020-11-30更新
|
842次组卷
|
11卷引用:江苏省南通市海安县2020-2021学年高三上学期期中调研考试数学试题
江苏省南通市海安县2020-2021学年高三上学期期中调研考试数学试题江苏省南京市金陵中学、南通市海安中学2020-2021学年高三上学期期中数学试题江苏省南京市第一中学2020-2021学年高三上学期期中数学试题江苏省南通市海安高级中学2020-2021学年高三上学期期中数学试题江苏省南通市如皋中学2020-2021学年高二上学期第二次阶段考试数学试题江苏省盐城市新丰中学2020-2021学年高二上学期期末数学试题苏教版(2019) 选修第一册 必杀技 第三章 3.2.2双曲线的几何性质北师大版(2019) 选修第一册 必杀技 第二章 2.2 双曲线的简单几何性质江苏省常州市教育学会2021-2022学年高二上学期期末学业水平监测数学试题广西桂林市第十八中学2021-2022学年高二下学期开学考试数学(文)试题山东省菏泽市定陶区定陶区明德学校(山大附中实验学校)2022-2023学年高二上学期期中数学试题
名校
解题方法
8 . 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.![]() |
您最近一年使用:0次
2020-06-21更新
|
543次组卷
|
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
9 . 已知抛物线
与双曲线
有共同的焦点
,
为坐标原点,
在
轴上方且在双曲线上,则
的最小值为( ).
![](https://img.xkw.com/dksih/QBM/2015/10/10/1572253366255616/1572253372112896/STEM/d5dc507554d04dd19a20713e66851254.png?resizew=57)
![](https://img.xkw.com/dksih/QBM/2015/10/10/1572253366255616/1572253372112896/STEM/8187caab5ce04137aaf824596bd46761.png?resizew=123)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2015/10/10/1572253366255616/1572253372112896/STEM/4f1c5eef807c482990b71d4575eba355.png?resizew=13)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d97639d087f5f5cfb918f54b4c39364.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-03更新
|
1104次组卷
|
4卷引用:2016届广东省惠州市高三第一次调研考试数学理试卷1