The points on this graph represent a relationship between r- and y-values. Which statement about the relationship is true?
(0,0)
CLEAR
CHECK
It cannot be proportional because no values are given.
It cannot be proportional because the straight line through
the points does not go through the origin.
O
It must be proportional because each time x increases by
3 units, y increases by 1 unit.
It must be proportional because the points lie in a straight
line.