SOLUTION: If y varies directly with x, and y = 54 when x = 9, find the constant of variation k.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: If y varies directly with x, and y = 54 when x = 9, find the constant of variation k.       Log On


   

Question 82392: If y varies directly with x, and y = 54 when x = 9, find the constant of variation k.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
If y varies directly with x, and y = 54 when x = 9, find the constant of variation k.
:
y = k*x
:
54 = 9k
:
54/9 = k
:
k = 6
:
Check:
y = 6*9
y = 54