The correct answer to this question is 1/3.
The points are (2,6) (3,9) (4,12) (5,15)
If we look at it as fractions, then we have
2/6 = 1/3
3/9 = 1/3
4/12 = 1/3
5/15 = 1/3
This made us conclude that the proportionality of the points is 1/3 by forming it in a fraction form (x / y)
