Question

Which equation best represents the line graphed above?

Answer 1

y= 1/2x - 1. 
the slope is 1/2 and the y-intercept is -1

Answer 2

(0,-1)(2,0)
slope = (0+1)/(2-0) = 1/2

b = -1
equation

y = 1/2x -1

answer
A. y = 1/2x -1