SOLUTION: Suppose that the temperature outside is dropping at a constant rate. At noon, the temperature is 70°F and it drops to 58° at 5:00 P.M how much did the temperature change each hou

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Question 86598: Suppose that the temperature outside is dropping at a constant rate. At noon, the temperature is 70°F and it drops to 58° at 5:00 P.M how much did the temperature change each hour?
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
Slope will determine this.
x is hours from noon
y is the temp.
(0,70) and (5,58)
m = (70 - 58)/(0 - 5) = -12/5 = -2.4
The temperature drops 2.4 degrees every hour.