Question

A) Find the constant of proportionality ( K )K =B) Find the equation Y = ____X

Answer 1

N 7

Part A

In a direct variation

k=y/x

take one point from the graph

(2,4)

k=4/2

k=2

Part B

In a direct variation, the equation is

y=kx

we have

k=2

therefore

y=2x