Which statement about the graph is true? y
8
7
6
5
4
3
2
1 2 3 4 5 6 7 8 x

A: The graph shows a proportional relationship because it is a line, and the difference between each point is the same.
B: The graph shows a proportional relationship because it is a line, and each x-value is a multiple of C: The graph does not show a proportional relationship because each point written as a ratio gives a different value.
D: The graph does not show a proportional relationship because a line that increases by 1 in the y-value cannot have a
constant of proportionality,