Question

Find the slope of the line. Describe how one variable changes in relation to the other.

A. 2/3; the amount of water increases by 2 gallons every 3 min
B. -2/3; the amount of water decreases by 2 gallons every 3 min
C. -3/2; the amount of water decreases by 3 gallons every 2 min
D. -1; the amount of water decreases by 1 gallon every minute

Answer 1

D. -1 the amount of water decreases by 1 gallon every minute.

Explanation:

15, 0 -> 12, 3

3 - 0 = 3

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12 - 15 = -3

3/ -3 = -1