题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103337-86632.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103338-39240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103338-87288.png)
核心考点
举一反三
已知定点
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103326-14005.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103326-58791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103327-43383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103327-29072.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103327-90355.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103327-18631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103328-23404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103328-37581.jpg)
(I)求动点
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103328-23404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103328-60340.png)
(Ⅱ)设倾斜角为
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103328-20265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103329-87039.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103327-90355.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103328-60340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103329-55981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103327-18631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103329-14322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103329-81200.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103330-34787.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-95434.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-77989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-20559.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-16101.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-85649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-92494.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-92491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-72474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103323-81479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103320-95498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103320-70202.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103318-11885.png)
A.x=8 | B.x=-8 | C.x=4 | D.x=-4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024103313-24825.png)
△OAB的面积为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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