SOLUTION: Find the variation constant and an equation of variation where y varies directly as x and y=90 when x=9. The variation constant is k=___ The equation of variation is y=___

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: Find the variation constant and an equation of variation where y varies directly as x and y=90 when x=9. The variation constant is k=___ The equation of variation is y=___      Log On


   

Question 281662: Find the variation constant and an equation of variation where y varies directly as x and y=90 when x=9.
The variation constant is k=___
The equation of variation is y=___
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
y=kx
90=k*9
k=10

The variation constant is k = 10
The equation of variation is y = 10x