题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141210-88794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141211-76670.png)
A. B. C. D.
答案
解析
试题分析:方程ax2+by2=ab化成:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141211-15461.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141211-41390.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141211-33057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141211-33057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141211-33057.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141203-55725.jpg)
A.![]() | B.-![]() | C.![]() | D.-![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141152-76991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141152-17281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141153-30361.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141153-72006.png)
(1)求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141153-38014.png)
(2)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141153-96074.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141154-25912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141153-38014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141154-62350.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141154-81999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141154-25912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141145-30370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141145-70467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141145-41037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141145-44543.png)
(1) 把直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141145-30370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141145-41037.png)
(2) 求圆
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141145-41037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141145-30370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141124-13210.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141125-66501.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141125-29698.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141125-38779.png)
(1)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141124-13210.png)
(2)若动点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141125-16168.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141125-18397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141125-16168.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141124-13210.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141126-17556.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141125-16168.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141126-89901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141125-16168.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141126-75218.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141126-84418.png)
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