题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151022-21048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151022-14254.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151022-27280.png)
A.6 | B.10 | C.2 | D.0 |
答案
解析
试题分析:由斜率公式得:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151023-37018.png)
点评:熟记过两点的直线的斜率公式:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151023-65518.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151023-39117.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151017-64430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151017-90099.png)
A.![]() | B.2 | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151007-83859.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151007-25083.png)
A.1或2 | B.1或-2 |
C.-1或2 | D.-1或-2 |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151000-83393.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151000-32948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151001-50623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150949-85098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150950-48454.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150950-43907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150950-74201.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150950-46526.png)
(1)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150949-85098.png)
(2)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150949-85098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150950-20592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150943-50755.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150944-90553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022150944-54241.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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