Answer:
The slope is 1/3
Look for two points that are in an exact point.
I chose (1,-8) and (4,-7)
just by looking at those points, you can see the x value increased by 3
(1 to 4) that's the run. and y value increased by 1 (-8 to -7) that's the rise.
slope = rise over run so it is 1/3