已知双曲线
的离心率为
,且其顶点到其渐近线的距离为
.
(1)求双曲线的标准方程;
(2)直线
:
与双曲线交于
,
两点,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047616f1d1d39bf6c3cd07cf63ef5b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0a31202a7a69d530c05a75229e6ea6.png)
(1)求双曲线的标准方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce37928403e28dea457850542edd414.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/5ccc3e8a231ee7f642eaccb3ae150982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
20-21高二上·重庆巴南·阶段练习 查看更多[3]
重庆市实验中学校2020-2021学年高二上学期第一阶段测试数学试题(已下线)考点39 双曲线-备战2022年高考数学(文)一轮复习考点帮(已下线)考点41 双曲线-备战2022年高考数学(理)一轮复习考点帮
更新时间:2021-03-03 10:08:30
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【推荐1】求符合下列条件的双曲线的标准方程:
(1)顶点在x轴上,两顶点间的距离是8,
;
(2)焦点在y轴上,焦距是16,
.
(1)顶点在x轴上,两顶点间的距离是8,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf225b4a29dc973d00c0d0dd76b45288.png)
(2)焦点在y轴上,焦距是16,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5cf6d21170a4573198579c6d821418.png)
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【推荐2】已知椭圆
的左右焦点分别为
,双曲线
与
共焦点,点
在双曲线
上.
(1)求双曲线
的方程:
(2)已知点P在双曲线
上,且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3035d5b843acd30a0f9523a13cdb9c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d903c09341f9bddf86087c501df28aef.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f92c09c725aa92bc5cf92a861997d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
(2)已知点P在双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31de05b757314cf99417ad4a091e79d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7b47b5e6f6f9b0f3242b6c3b176cd7.png)
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【推荐3】在矩形ABCD 中,已知 AD=6,AB=2,E,F为AD的两个三等分点,以DA所在直线为x轴,以DA中点O为坐标原点,建立如图所示的平面直角坐标系,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/25/87f075ad-6f66-47ca-8e12-fbc2087af607.png?resizew=230)
(1)求以E,F为焦点,DC和AB所在直线为准线的椭圆的标准方程;
(2)求以A,D为焦点,且过点F的双曲线的标准方程.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/25/87f075ad-6f66-47ca-8e12-fbc2087af607.png?resizew=230)
(1)求以E,F为焦点,DC和AB所在直线为准线的椭圆的标准方程;
(2)求以A,D为焦点,且过点F的双曲线的标准方程.
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【推荐1】已知双曲线
及直线
.
(1)若
与
有两个不同的交点,求实数
的取值范围.
(2)若
与
交于
,
两点,且线段
中点的横坐标为
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2872b941d9e4748a823d37f14335fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0d6d0cfe389abca252332223b5da17.png)
(1)若
![](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/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459c84c9addfbd1cdd0a877ba7c584e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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【推荐2】已知双曲线
的一条渐近线方程为
,焦距为
.
(1)求双曲线C的标准方程;
(2)若O为坐标原点,过
的直线l交双曲线C于A,B两点,且
的面积为
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad29d7c31087e13e266793832af17bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9739f38a1e39ba17e74d36e423e6f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbff61fe9d4e93d7cc338489d1c99c40.png)
(1)求双曲线C的标准方程;
(2)若O为坐标原点,过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79f49a85a44ca8c61341e913341f7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4bf62ed15ca44e9c8d264817b9e39f.png)
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