Y intercept is when x=0 or when the line passes through the y axis so its 5 and the slope is negative as it is going down. You find two points in the graph and count the spaces. 5,0 and 2,2. You can use (y2-y1)/(x2-x1) or just count which is 3 down and 2 to the right so its -3/2 rise over run
