Which table shows the relationship y = 50x?


A. x 2 4 5 6

y 6 12 18 21


B. x 1 3 4 5

y 50 150 200 250


C. x 1 2 3 6

y 1.5 3 6 9


D. x 3 5 7 8

y 1.5 2.5 3 4.5