SOLUTION: For the direct variation, find the constant of variation, k. Then find the value of y when x=4 Y=3 when x= 1/3

Algebra ->  Expressions -> SOLUTION: For the direct variation, find the constant of variation, k. Then find the value of y when x=4 Y=3 when x= 1/3      Log On


   

Question 1077435: For the direct variation, find the constant of variation, k. Then find the value of y when x=4
Y=3 when x= 1/3
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
"direct variation", y=kx

Find k
3=k%281%2F3%29
3%2A3=k
k=9

MODEL: y=9x


Find y if x=4.
y=9%2A4
y=36