题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145813-79730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145813-37198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145814-14503.png)
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145813-37198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145814-79008.png)
令
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145814-78845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145814-89475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145814-14503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145814-33384.png)
点评:直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145815-31983.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145808-23174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145800-29997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145801-33474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145801-22870.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145801-58365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145801-91213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145801-91213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145801-91213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145751-55258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145751-68385.png)
(1)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145751-55258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145751-55258.png)
(2)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145751-55258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145751-55258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145751-55258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145747-49283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022145747-76877.png)
A.2 | B.3 | C.5 | D.1 |
A.y=-2x+1 | B.y=2x-1 | C.y=-2x-1 | D.y=-x-1 |
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