The answer is B. If you look at the equation on the graph, the y-intercept is 1.5 as 3/2=1.5 and the slope to the point (1, 2) is 1/2 because we rise .5 a unit and run 1 unit. This is represented as .5/1, and any number divide by 1 is itself, so the slope is .5 or 1/2.