Question

Which table shows a proportional relationship between x and y?

Answer 1

The second choice is correct y equals 1/2 x

Answer 2

If it is proportional then x and y will at one point be 0. This is the origin. We can find point (0,0) by working backward subtracting the slope.
The answer is #2 since it has a constant slope of 2.
The problem was that the points weren't constant but it did have a slope.