1 . 已知抛物线C:
的焦点与双曲线E:
的右焦点重合,双曲线E的渐近线方程为
.
(1)求抛物线C的标准方程和双曲线E的标准方程.
(2)斜率为1且纵截距为
的直线l与抛物线C交于A、B两点,O为坐标原点,求
的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6d8eaacc2d999b37209feba103f9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0e308d06579ae683524a6c04d9872c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1958855dabc2b117503c0ebbe1eee7e7.png)
(1)求抛物线C的标准方程和双曲线E的标准方程.
(2)斜率为1且纵截距为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74eb8a7738402df52d4a97262b85ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2 . 如图,已知椭圆
:
,双曲线
:
的离心率
,若以
的长轴为直径的圆与
的一条渐近线交于
两点,且
与
的渐近线的两交点将线段
三等分,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c4681550b280f48da99c43877e011e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3851e0dbbf69218563787316dffcad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/28/33fc28f2-5c05-49b7-bcea-5cb6dce3ee9d.jpg?resizew=192)
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2018-03-23更新
|
685次组卷
|
2卷引用:四川省广元市高2018届高三第二次高考适应性统考文科数学试题
解题方法
3 . 已知双曲线
的一个焦点在直线
上,其中一条渐近线方程为
,则双曲线的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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