What is the slope and y-intercept of the equation represented by the following graph?
A. slope = 2, y-intercept = -1/2
B. slope = -2, y-intercept = -1/2
C. slope = -1/2 , y-intercept = 2
D. slope = 1/2, y-intercept = 2
E. slope = -1, y-intercept = 2
