题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135900-85678.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135900-82727.gif)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135840-87188.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135840-24237.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135840-24237.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135840-49850.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135840-39886.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135841-25834.gif)
已知抛物线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135826-30694.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135826-30773.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135826-38212.gif)
(1)若以弦
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135826-10162.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135827-91202.gif)
(2)在(1)的条件下,若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135827-20635.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135725-34834.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135725-89715.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135725-87989.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135725-99520.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135726-81966.gif)
(Ⅰ)当
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135726-99314.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135726-20574.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135726-37514.gif)
(Ⅱ)记
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135727-14550.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135727-78214.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135727-69705.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135727-62998.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135728-30932.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135728-85242.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135728-44881.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135728-42844.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135729-50930.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135729-33167.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135728-42844.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135716-66361.png)
A.p | B.2p | C.4p | D.不确定 |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135708-10717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135708-97285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135708-51915.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135708-52755.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135708-44567.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025135709-23872.png)
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