SOLUTION: A quantity y is initially negative 81 and increases at a rate of 25 per minute. Find an equation y equals mx plus b that models the quantity y after x units of time.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A quantity y is initially negative 81 and increases at a rate of 25 per minute. Find an equation y equals mx plus b that models the quantity y after x units of time.      Log On


   

Question 1061970: A quantity y is initially negative 81 and increases at a rate of 25 per minute. Find an equation y equals mx plus b that models the quantity y after x units of time.
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
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y = -81 + 25m.