Which statement about the graph is true?
Ту
8
7
6
5
4
3
2
1
1
2 3 4 5 6 7 8
X
O The graph shows a proportional relationship because it is a line, and the difference between each point is the
same
The graph shows a proportional relationship because it is a line, and each x-value is a multiple of 2.
The graph does not show a proportional relationship because each point written as a ratio gives a different
value