a proportional relationship is represented by the equation 2x =18y. if x is proportional to y what is the constant of proportionality?

asked Sep 28, 2016 117k views

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$2x=18y\\ x=9y \Rightarrow \boxed{k=9}$

Dimir answered Oct 1, 2016

by Dimir

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2x = 18y

Divide 2 to both sides:

x = 9y

So the constant of proportionality is 9.

Unigeek answered Oct 3, 2016

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