SOLUTION: Find the variation constant and an equation of variation where y varies directly as x and y=8 when x=4. The variation constant is k=?. The equation of variation is y=?

Question 157343: Find the variation constant and an equation of variation where y varies directly as x and y=8 when x=4. The variation constant is k=?. The equation of variation is y=?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Constant of direct variation,

THe equation of variation would then be,

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