Answer:
y = x - 1
Step-by-step explanation:
You know the y-intercept has to be -1. Also, to figure out the slope you can just pick out two coordinates that lie on the line, and use the slope forumla.
For example: (2,1) and (3,2)
[tex]m=\frac{2-1}{3-2} = \frac{1}{1} =1[/tex]
