1 . 抛物线
的焦点到准线的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce21531a886c50568b75fd4278f15dcf.png)
A.4 | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-18更新
|
269次组卷
|
2卷引用:河南省商丘市部分学校2022-2023学年高二上学期期末考试数学试题
名校
解题方法
2 . 已知椭圆
:
的一个焦点与抛物线
的焦点相同,且椭圆
过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39602b870827af564830f73af7691855.png)
![](https://img.xkw.com/dksih/QBM/2022/1/10/2891548132622336/2892382833598464/STEM/2d6117cf-9d87-43ec-8656-1eca68ce91f1.png?resizew=218)
(1)求椭圆
的标准方程;
(2)若椭圆
的右顶点为
,与
轴不垂直的直线
交椭圆
于
,
两点
与
点不重合,
,且满足
,若点
为
中点,求直线
与
的斜率之积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4856428c4f87eada4e504fce8cc91d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39602b870827af564830f73af7691855.png)
![](https://img.xkw.com/dksih/QBM/2022/1/10/2891548132622336/2892382833598464/STEM/2d6117cf-9d87-43ec-8656-1eca68ce91f1.png?resizew=218)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若椭圆
![](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/81dea63b8ce3e51adf66cf7b9982a248.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74766719c6e30f189ea586b5a000702a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
您最近一年使用:0次
2022-01-11更新
|
959次组卷
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4卷引用:河南省商丘市第一高级中学2022-2023学年高二上学期期末数学试题
名校
3 . 抛物线
的准线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2633530c5ec2938687ba295a6379d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-02-05更新
|
609次组卷
|
8卷引用:河南省商丘市第一高级中学2022-2023学年高二上学期期末数学试题