A proportional equation can be written using an equation of the form y = kx.
Based on the equation above, a relationship that is proportional must contain the point (0,0) and have a constant rate of growth represented by a constant, k.
Which of these tables has these attributes?
Rearrange the ordered pairs so the x-values are listed from smallest to largest x-values.
Table (b) could contain the point (0,0) and grows at a constant rate.