Question

If the Constant of Proportionality between X and Y is 2.5, which equation represents their relationship?

A) Y = 2.5X

B) 2Y = 5X

C) 5Y = 2X

D) Y = X ÷ 2.5

Answer 1

A

Explanation:

what the other guy said

Answer 2

y = 2.5x

Explanation:

The equation representing direct proportion is

y = kx ← k is the constant of proportion

Here k = 2.5 , thus

y = 2.5x ← equation of proportion