SOLUTION: The variables x and y vary directly. Use
the given values to write an equation that relates x and y.
x = 12, y = 4
Algebra.Com
Question 388211: The variables x and y vary directly. Use
the given values to write an equation that relates x and y.
x = 12, y = 4
Answer by tara0066(31) (Show Source): You can put this solution on YOUR website!
Direct variation equation is y=kx
Your k is your variation or you could look at it as your slope.
y=kx Plug in what you know
4=k12 Divide both sides by 12 to cancel out your 12 that is being multiplied by k.
4(/12)=k12(/12) Simplify
1/3=k
y=1/3x This is your direct variation equation.
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