SOLUTION: Find an equation of variation where y varies inversely as x and y =4 when x=10.

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Question 1013672: Find an equation of variation where y varies inversely as x and y =4 when x=10.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

if y varies inversely as x, there is a constant k which makes this statement true:
y=k%2Fx

and if y+=4 when x=10, we have
4=k%2F10...solve for k
4%2A10=k
k=40
so, equation will be: y=40%2Fx