Which of the following tables represent a proportional relationship

A. x 4 6 8 10 y 6 9 12 15
B. x 1 4 7 10 y 0 3 6 9
C. x 2 4 6 8 y 3 4 5 6

1 answer

The table that represents a proportional relationship is C. x 2 4 6 8 y 3 4 5 6.
This is because for every increase of 2 in x, there is a corresponding increase of 1 in y.