Answer:
the slope is the change in the rise / change in the run or M= delta Y / delta X
where M = slope
Step-by-step explanation:
point 1 = (10,8) = (x1, y1)
point 2 = (2,7) = (x2,y2)
slope = y2-y1 / x2 - x1
slope = 7-8 / 2-10
slope = -1 / -2
slope = 1/2 :)