Which table below represents a non-proportional relationship and why?

Answer:
A. B. C. D
(y = -10x) (y = 2.5x - 7) (y = 7/8x + 1) (y = 1.2x)
E.
(y = -5x - 8)
Step-by-step explanation:
Box #1. Is going with B
Box #2. Is going with E
Box #3. Is going with D
Box #4. Is going with A
Box #5. Is going with C
Hope this helps :)