Find the constant of proportionality for the graph and write in the form y = kx.
A) y =
1
5
x
B) y = 3x
C) y = 5x
D) y = 15x

Find the constant of proportionality for the graph and write in the form y kx A y 1 5 x B y 3x C y 5x D y 15x class=