On Saturday Erin rode her bicycle to visit Caroline. Caroline’s house is directly east of erin’s . The graph shows how far Erin was from her house after each minute of her trip. (Graph up top Q.1: Erin rolled at a consistent speed for the first four minutes of her trip. What was her consistent speed ??

Q.2 : what was erin’s average speed for the entire trip ??

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

Q.4 : Erin stopped to talk to another friend during her trip. How far was she from her house when she stoped ?

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

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

Vocabulary practice!

Q.7 : an object is in _ when its distance from a(n) _ is changing.

Q.8 : speed in a given direction is _

Q.9 : _ can be Calculated if you know the distance an object travels in one unit of time