题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140250-40429.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140250-90875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140250-14742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140250-51841.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140251-13781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140251-83046.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140252-98048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140252-71326.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140252-32776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140252-19018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140252-45208.png)
得:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140252-54722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140252-98217.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140251-83046.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140253-98749.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140239-98071.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140240-31598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140240-36771.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140240-45293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140240-31598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140241-47752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140240-31598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140240-36771.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140241-23361.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140241-41277.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140241-46250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140242-89279.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140242-34497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140240-31598.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140242-18256.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140242-79309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140242-17528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140242-79309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140242-17528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140243-56392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140243-96588.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140228-91058.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140228-45287.gif)
A 1 B 2 C 3 D 4
已知抛物线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140215-26486.gif)
(1)若直线l与抛物线交于两点A、B,且
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140215-89392.gif)
(2)若C、D两点在抛物线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140215-26486.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140215-61957.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140209-59453.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140209-82894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140210-73881.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140210-88357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140210-57626.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140200-81196.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140200-72314.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140201-68659.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140201-44671.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025140201-82237.gif)
( )
A.![]() | B.![]() | C.![]() | D.![]() |
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