Data Sufficiency
试题详情
题目：
If line k in the xy -plane has equation
, where m and b are constants, what is the slope of k ?
, where m and b are constants, what is the slope of k ?(1) k is parallel to the line with equation 
.
.(2) k intersects the line with equation 
at the point (2, 7).
at the point (2, 7).选项:
答案:
A
