**Station C Answers**

1. It is linear because the graph is a straight line.

2. It is linear because it is in the form y = mx+b and there is no exponent bigger than 1.

3. It is not linear because the x is squared.

4. It is not linear because there is not a constant rate of change.

5. It is linear because there is a constant rate of change.

6. It is not linear because the graph does not make a straight line.

7. It is linear because the x is only to the first power and it could be rearranged to the form y=mx+b.

8. It is linear because the y-values have a constant rate of change.

9. It is not linear because the graph does not make a straight line.

10. It is not linear because there is not a constant rate of change.