Which linear equation represents a non-proportional relationship?

A) y = 0.2x
B) y = 12x
C) y = −12x
D) y = −12x + 5
i don't know how to do this or what it means, please help me

10 answers

i don't know what a non proportional relationship is or how i would find it
which one is different from the other three?
A is different... so would it be a?
so is D though sort of
wow okay
cool just failed the question thanks not even a tutor on jiskha
Which equation shows a non proportional reletionship
A)y=-2x
B)y=0.5x
C)y=2x+0
D)y=2x+2
Answer is B. I just took it and got it wrong. Trust me on it. Well the answer is B when i'm taking it
StayTiny is right, the answer is B.
hi jschlatt