已知双曲线的中心在原点,焦点
在坐标轴上,离心率为
,且过点
,点
在双曲线上.求:
(1)双曲线的方程;
(2)
;
(3)
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccbfff9a05b85a815235a94098f994e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79e9f7e5b435c3234ffe0c4a8d6b18.png)
(1)双曲线的方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f216a3790858d01c4b72b261f2fb610a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f9a699aededce0ad803bf8257fbbcb.png)
23-24高二上·全国·课后作业 查看更多[4]
人教A版(2019) 选修第一册 数学奇书 第三章 圆锥曲线的方程 3.2.2 双曲线的简单几何性质 第2课时 双曲线方程与性质的应用(已下线)3.2.2 双曲线的简单几何性质(精讲)-2023-2024学年高二数学《一隅三反》系列(人教A版2019选择性必修第一册)(已下线)2.2.2 双曲线的简单几何性质(分层练习)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第一册)(已下线)第05讲 拓展二:直线与双曲线的位置关系(3)
更新时间:2023-08-05 15:21:28
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【推荐1】(1)求曲线
在点
处的切线方程.
(2)求经过点
,焦点在坐标轴上的等轴双曲线的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44dd7971bb643fafff132288b4880e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
(2)求经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50edfb9ed0d50d6f35ad6a130208d307.png)
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【推荐2】已知等轴双曲线的中心在原点,它的一个焦点为
,求双曲线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cb0486086cd650cab8d7ac72de18c0.png)
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【推荐1】(1)已知双曲线
经过点(1,1),它渐近线方程为
,求双曲线
的标准方程.
(2)已知双曲线过点
,一个焦点为
,求双曲线的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6bb019e2d7c6d17d15ec4d9043f5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知双曲线过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3d65a3913de7a0b99e2e648962dbd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab681db7ecb246a1b9a1ef7fc7176720.png)
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【推荐2】求适合下列条件的双曲线的标准方程:
(1)虚轴长为12,离心率为
;
(2)焦点在x轴上,离心率为
,且过点
;
(3)顶点间距离为6,渐近线方程为y=±
x.
(1)虚轴长为12,离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
(2)焦点在x轴上,离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b4f50278bda61573c476f27e0dec4d.png)
(3)顶点间距离为6,渐近线方程为y=±
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
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【推荐3】双曲线
,右焦点为
.
(1)若双曲线
为等轴双曲线,且过点
,求双曲线
的方程;
(2)经过原点
倾斜角为
的直线
与双曲线
的右支交于点
是以线段
为底边的等腰三角形,求双曲线
的离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ddd191da6ce40a21e1714fb63afe61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a249981677be834a50f9d28c0c1803e6.png)
(1)若双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b082e1ddfbf8a6f8b91d137e548827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)经过原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87bdc81d39b4e94273334bef1cd56b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b652271ab8703724cf54f9b9c110e52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
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【推荐1】如图,若
是双曲线
的两个焦点.
![](https://img.xkw.com/dksih/QBM/2021/4/17/2701855265038336/2706580924964864/STEM/d3f45400d1f14a76b348bc043e3d5286.png?resizew=173)
(1)若双曲线上一点M到它的一个焦点的距离等于16,求点M到另一个焦点的距离;
(2)若P是双曲线左支上的点,且
,试求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58fa4a337f0b81b991fb32e8e6e3c0.png)
![](https://img.xkw.com/dksih/QBM/2021/4/17/2701855265038336/2706580924964864/STEM/d3f45400d1f14a76b348bc043e3d5286.png?resizew=173)
(1)若双曲线上一点M到它的一个焦点的距离等于16,求点M到另一个焦点的距离;
(2)若P是双曲线左支上的点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e029155aebb70bacb4e4f0b80bfc67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
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【推荐2】设为实数,已知双曲线
与椭圆
有相同的焦点
.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若点
![](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/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
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【推荐1】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)
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【推荐2】已知双曲线
的左、右焦点分别为
为双曲线
上一点,
,且焦点到渐近线的距离为
.
(1)求双曲线
的方程;
(2)设
为双曲线
的左顶点,点
为
轴上一动点,过
的直线
与双曲线
的右支交于
两点,直线
分别交直线
于
两点,若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ed463bf16c78a4bbb9d3acff922afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c62b25d9a9fc8496a0e8890c1c76eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76338d35a153967d7a061b4cd9c85183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d42cb68c5c877a455ba7ac0a6b6a651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede97915bccd6a7b22d7400c30f8adea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc0e2d4e554dd176b061a4134d2c41b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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