1. Materials
Reminders

2. Find the rate of change in shrimp caught between 2012 and 2020 ?
Musical Math
Find the rate of change in shrimp caught between 2012 and 2020 ?
Shrimp Caught
5000 tons
350 tons
Year
2012
2020

3. Get out your agenda if you see your name below
Get out your agenda if you see your name below. I would like to have you in my FLEX Wednesday.
Period 2
Period 7

4. Essential Question(s):
Cornell Notes
Topic:
4-4 Constant Rate of Change
Essential Question(s):
How do I use constant rates of change to identify proportional, nonproportional and linear relationships?

5. Important Vocabulary
Linear relationship– relationships that form straight lines on graphs
Constant rate of change – the rate of change described by a linear relationship

6. Activity
In groups of 2, determine whether or not the following data are proportional.
Number of Hotdogs 2 4 6 8
Minutes 1 3
Number of Hotdogs 3 5 7 9
Minutes 1 2 4

7. Activity
In groups of 2, use a sheet of graph paper to graph the following tables
Number of Hotdogs 2 4 6 8
Minutes 1 3
Number of Hotdogs 3 5 7 9
Minutes 1 2 4

8. Activity
In groups of 2, use a sheet of graph paper to graph the following tables
Number of Hotdogs 2 4 6 8
Minutes 1 3
Number of Hotdogs 3 5 7 9
Minutes 1 2 4

9. Activity Label each graph either proportional or nonproportional.
Label each graph either linear or non-linear

10. The graph of the relationship must be a straight line (linear)
Questions:
Notes:
Cornell Notes
How do I determine if a relationship is a proportional linear relationship?
It must meet 2 criteria.
The graph of the relationship must be a straight line (linear)
The graph MUST GO THROUGH THE ORIGIN (0,0)

11. The graph of the relationship must be a straight line (linear)
Questions:
Notes:
Cornell Notes
How do I determine if a relationship is a nonproportional linear relationship?
It must meet 2 criteria.
The graph of the relationship must be a straight line (linear)
The graph DOES NOT GO THROUGH THE ORIGIN (0,0)

12. ALL PROPORTIONAL RELATIONSHIPS ARE LINEAR
Questions:
Notes:
Cornell Notes
ALL PROPORTIONAL RELATIONSHIPS ARE LINEAR
ALL LINEAR RELATIONSHIPS THAT GO THROUGH THE ORIGIN ARE PROPORTIONAL
LINEAR RELATIONSHIPS THAT DO NOT GO THROUGH THE ORIGIN ARE NEVER PROPORTIONAL
What are some helpful hints?

13. Page 207-209; 7-22 and 28-29 AND Cornell Notes Summary
Homework
Page ; 7-22 and 28-29
AND Cornell Notes Summary