1. Bell Ringer I will not answer questions about the Bell Ringer
Express each ratio as a fraction in simplest form.
pencils to 64 erasers
tents to 65 campers
out of 75 days
out of 200 pages

2. Quiz Time
Clear your desk of everything but a pencil and a calculator. You CAN write on the quiz.

3. Section 6.4 Proportional and Nonproportional Relationships
R drive > Key > Feb 16_20 > 2_18__6.4 Pro & Nonpro Relationships File > Save As > P drive > Math > Feb 16_20 > 2_18__6.4 Pro & Nonpro Relationships

4. Let’s Review the Definitions
Proportional - Two quantities with a constant ratio
Nonproportional- Two quantities without a constant ratio

5. Example 1 Identify Proportional Relationships

6. Example 2 Identify Proportional Relationships

7. Example 3 Identify Proportional Relationships

8. Example 5 – Your Turn Identify Proportional Relationships

9. Vocabulary
Constant of Proportionality – The k (constant ratio) in the equation y = kx
This is also called the unit rate

10. Example 7 Describe Proportional Relationships

11. Example 8 Describe Proportional Relationships

12. Example 9 Describe Proportional Relationships
Nina charges $34.50 for 6 days of pet sitting. Write an equation relating the cost of pet sitting to the number of days. What would be the cost of pet sitting for 4 days?

13. Homework Section 6.4 #1-2, 4-7, 10, 11

14. Homework Section 6.4 #1-2, 4-7, 10, 11