If you are plotting points and the points are negative 6 negative 6 and 3 6 what would be the rise and the run of the slope?

rise = y2 - y1

run = x2 - x1

thus, rise = 6 - (-6) = 12

and run = 3 - (-6) = 9

slope = rise/run

therefore, slope = 12/9 = 4/3