Question

The table below represents a proportional relationship.

Answer 1

B-y=3x
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Answer 2

y = 3x

Explanation:

Note the values of y are 3 times the corresponding values of x, that is

x = 4 → y = 4 × 3 = 12

x = 7 → y = 7 × 3 = 21

x = 10 → y = 10 × 3 = 30

x = 13 → y = 13 × 3 = 39

Thus the equation describing the proportion is

y = 3x