Which graph or equation represents a nonproportional relationship?

Question

A
On coordinate plane A, a line goes through points (negative 2, 0) and (0, 1).
B
On coordinate plane B, a line goes through points (0, 0) and (2, negative 2).

C
y mc019-3.jpg 0.375x

D
y = StartFraction 5 Over 9 EndFraction x

A
B
C
D

Answer 1

The graph or equation that represents a nonproportional relationship is C. y = 0.375x.