1. Let f(x)=2x+1 What is x when f(x)=5?
Warm-up 5/22/2019
Let f(x)=2x+1 What is x when f(x)=5?

2. Algebra 5/22/2019
Agenda
Warm up
Collect Cell Phone Project and do follow-up
Pass back and go over functions worksheet
Determining proportionality
Objective
Calculate unit rates and apply them to proportional relationships
Homework
Proportional Worksheet

8. Homework
Proportional Worksheet

9. Bell Ringer
Sarah buys pencils in a package of 10 for $5.25. Jessica buys a larger package of 25 for $ Are these two sales proportional? Why or why not?

10. Algebra 5/22/2019
Agenda
Warm up
Go over Proportional Worksheet
Determining proportionality constants
Objective
Calculate unit rates and apply them to proportional relationships
Homework
Pages , 7-8, 9-14

11. A second way…
Finding a proportional constant

19. What is a proportional constant?
Homework Pages , 7-8, 9-14

20. Agenda Warm up Solving for Proportions
Algebra 5/22/2019
Agenda
Warm up
Solving for Proportions
Objective
Solve Proportional Relationships
Apply Proportional Relationships to real world
Homework
Pages odd

21. Bell Ringer 1 3 4 8 20 5 15 40
100 1 3 4 5 10 2 8 40
100

22. What can I put here to make these proportional?
HOW DO YOU KNOW?!

23. Complete the following ratios

24. What is our rule?
Using this rule…are these equivalent ratios?

26. Remember % change?
If Anna is 120 pounds in January and 125 pounds in March, is this a percent increase or decrease?
What is the %?

27. Percent Change
Ogden’s student body keeps changing! We have 210 Freshman this year and had 190 last year. Find the % change and decide if it is an increase or decrease.

30. Homework
Homework Pages odd