1. Do you know your x-t graphs?

2. x t Slowing Down (in the positive direction) Negative Acceleration 

3. x t Constant Speed Constant + Velocity

4. x t Slowing Down (in the – direction) Positive Acceleration

5. x t Constant Speed Constant - Velocity

6. x t Speeding Up (in the + direction) Positive Acceleration

7. x t Speeding Up (in the - direction) Negative Acceleration 

8. x t At Rest (stopped … no motion)

9. x t Is this object ever at rest??? YES!!! When you change directions, you must come to a stop (for an instant)