# Identifying proportional relationships

### Identifying proportional relationships

#### Lessons

• 1.
Is the relationship between the two variables proportional?
a)
 x y -1 -4 1 4 2 8 3 12

b)
 g h 0 1 2 2 4 3 6 4

c)
 r t -6 -2 -3 -1 9 3 14 4

• 2.
Determine if the relationship between $x$ and $y$ is proportional by graphing.
a)
 x y -1 0 1 1 3 2 5 3

b)
 x y 0 0 3 2 6 4 9 6

c)
 x y 1 2 2 5 3 10 4 17

• 3.
Is the graph showing a proportional relationship?
a)

b)

c)