SOLUTION: x y 3 56 4 42 growth rate ? percent decrease ? My professor told me to use slope formula but I do not know what they are asking.

Algebra ->  Linear-equations -> SOLUTION: x y 3 56 4 42 growth rate ? percent decrease ? My professor told me to use slope formula but I do not know what they are asking.      Log On


   

Question 100284: x y
3 56
4 42
growth rate ?
percent decrease ?
My professor told me to use slope formula but I do not know what they are asking.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x y
3 56
4 42
growth rate ?
percent decrease ?
------------------
growth rate is the slope from (3,56) to (4,42)
slope = [42-56]/[4-3]= -14
--------------------
percent decrease is -14*100/100 = -1400 %
================
Cheers,
Stan H.