题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143247-63778.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:由椭圆的标准方程
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143247-63778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143248-40754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143248-45364.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143248-43394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143249-30041.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-88220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-10116.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-19247.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-88220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-10116.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143231-14404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143231-86837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143231-35879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143231-67275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143231-56392.png)
(1)经判断点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143232-44920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143232-89518.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-10116.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143232-94062.png)
(2)求抛物线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-10116.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143232-64309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-88220.png)
(3)过
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-10116.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143232-64309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143230-88220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143232-59934.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143233-57444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143221-49697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143221-89836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-44980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-45499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-23269.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-39235.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143221-89836.png)
(1)求该椭圆的方程;
(2)设椭圆的另一个焦点为
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-27765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-44980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-85553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-85553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-27765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-39235.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143222-85553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143214-91238.png)
A.
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143215-47795.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143215-31896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143215-10436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143215-25385.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143205-86235.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023143205-92052.png)
A.等腰三角形 | B.直角三角形 | C.锐角三角形 | D.钝角三角形 |
A.![]() | B.![]() | C.2 | D.![]() |
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