1. Investigation 4.2
Moving Straight Ahead

2. Objective Board Objective Agenda Homework
We will identify the slope and the y-intercept from data in a table, graph, and equation.
Do Now
Homework Check
Investigation 4.2
Summary
Have a great vacation!

3. Do Now
Please take out your homework from last night: “Staircase Worksheet”
Plot the rise to run ratio of the staircase you measured for HW on the side white board -->
Then complete the worksheet from the basket

4. Ratio of Rise to Run
Dot Plot of Class Data

5. 𝑚≈1.7
𝑚=1
𝑚≈0.5

8. How is this graph related to the staircase?

9. 𝑠𝑙𝑜𝑝𝑒= 𝑣𝑒𝑟𝑡𝑖𝑐𝑎𝑙 𝑐ℎ𝑎𝑛𝑔𝑒 ℎ𝑜𝑟𝑖𝑧𝑜𝑛𝑡𝑎𝑙 𝑐ℎ𝑎𝑛𝑔𝑒 = 𝑟𝑖𝑠𝑒 𝑟𝑢𝑛 = ∆𝑦 ∆𝑥

12. Investigation 4.2
Work with your group to answer parts A-C on the handout
When you are finished raise your hand so I can check your work