On Saturday, Ashley rode her bicycle to visit Maria. Maria’s house is directly east of Ashley‘s. The graph shows how far Ashley was from her house after each minute of her trip.

1. Ashley Road at a constant speed for the first four minutes of her trip. What was her constant speed?

2. what was Ashley‘s average speed for the entire trip?

3. what was her average velocity for the entire trip?

4. Ashley stop to talk with another friend during her trip. How far is she from her house when she stopped?

5. what is the slope of the line after Ashley stopped to talk with her friend?

6. how is the slope of the line related to her speed?