Bell Ringer I will not answer questions about the Bell Ringer Express each ratio as a fraction in simplest form. 1. 56 pencils to 64 erasers 2. 26 tents to 65 campers 3. 45 out of 75 days 4. 112 out of 200 pages
Quiz Time Clear your desk of everything but a pencil and a calculator. You CAN write on the quiz.
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
Let’s Review the Definitions Proportional - Two quantities with a constant ratio Nonproportional- Two quantities without a constant ratio
Example 1 Identify Proportional Relationships
Example 2 Identify Proportional Relationships
Example 3 Identify Proportional Relationships
Example 5 – Your Turn Identify Proportional Relationships
Vocabulary Constant of Proportionality – The k (constant ratio) in the equation y = kx This is also called the unit rate
Example 7 Describe Proportional Relationships
Example 8 Describe Proportional Relationships
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?
Homework Section 6.4 #1-2, 4-7, 10, 11
Homework Section 6.4 #1-2, 4-7, 10, 11