SOLUTION: Find the rate of change between the two points: (8, 1) and (4, 2) where x is in months and y is in inches.

Algebra ->  Formulas -> SOLUTION: Find the rate of change between the two points: (8, 1) and (4, 2) where x is in months and y is in inches.      Log On


   

Question 801764: Find the rate of change between the two points: (8, 1) and (4, 2) where x is in months and y is in inches.
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
Rate of change is computed using slope:
m=(y2-y1)/(x2-x1)
so
m=(2-1)/(4-8)=-1/4
that means the rate is falling at 0.25 inches every month