Answer:
-1.5
Step-by-step explanation:
-3/2
From the table, we get points (-18, 6) and (-14, 0).
The rate of change is the slope.
slope = (y2 - y1)/(x2 - x1)
slope = (6 - 0)/(-18 - (-14)) = 6/-4) = -3/2
m = -3/2