Answer:
3/2
Explanation:
slope = m = change in y/change in x OR y2-y1/x2-x1
change in y: -14 - -2= -12 (or -14 + 2, because two negatives make a positive)
change in x: -15- -7 = -8 (or -15+ 7 due to two negatives making a postive)
slope = -12/-8 = 3/2