SOLUTION: You are draining your fish aquarium. After 2 minutes, there are 6 gallons of water in the aquarium. After 5 minutes, the aquarium is empty. Write an equation that represents the vo

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Question 839147: You are draining your fish aquarium. After 2 minutes, there are 6 gallons of water in the aquarium. After 5 minutes, the aquarium is empty. Write an equation that represents the volume of y (in gallons) of water in the aquarium after x minutes.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
This is the same as asking for the equation of the line which contains the points, (2,6) and (5,0).


Slope Intercept Form:
m=%280-6%29%2F%285-2%29=-3%2F2
From y=mx+b, use b=y-mx and either point.
b=6-%28-3%2F2%29%2A2
b=6%2B3
b=9
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Equation is highlight%28y=-%283%2F2%29x%2B9%29