1. Home for the Holidays Brought to you by Cathy Jones, Math Specialist Center for Math & Science Education University of Arkansas cej001@uark.edu Created by Elena Acciardo Brecksville-Broadview Heights High School mathrox101@adelphia.net

2. n Where are you going for the holiday? n If you are not going away this year, where was your favorite Thanksgiving?

3. Let’s plan our trip! n Look up how long it will take to get there and how far away it is using MapQuest. n Since we will be driving please limit your trip to the mainland of the USA. n MapQuest® MapQuest® MapQuest®

4. Let’s make some lists! Destination Distance (mi) Time (Hrs) Destination Distance (mi) Time (Hrs)

5. Let’s get this party on the graph! 100 200 300400500600700 8009001000 1100120013001400 1500 16001800 2 4 6 8 10 12 14 16 18 20 Time (Hours) How should we label the axes? What’s the INDEPENDENT variable? What’s the DEPENDENT variable?

6. Questions…. n Is there a linear relationship for the data? n How can we find an equation of the line? n What is the slope of the line? n What are the units of the slope? n What is the real world meaning of the slope? n Is this a direct variation?