3. What is the constant of variation of the linear function. Pay $15

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Presentation transcript:

3. What is the constant of variation of the linear function. Pay $15 1. There are 2 grams of fat in 1 pound of chicken. There are 9 grams of fat in 4.5 pounds of chicken. How many grams of fat would be in 10 pounds of chicken? 2. Determine whether the linear function is a direct variation. If so, state the constant of variation. 3. What is the constant of variation of the linear function. Pay $15 $22.50 $30 $37.50 Hours 2 3 4 5 Course 2, Lesson 2-1

ANSWERS 1. 20 grams 2. yes, 7.5 3. 25 Course 2, Lesson 2-1

HOW can percent help you understand situations involving money? Ratios and Proportional Relationships HOW can percent help you understand situations involving money? Course 2, Lesson 2-1

Ratios and Proportional Relationships 7.RP.3 Use proportional relationships to solve multistep ratio and percent problems. 7.EE.3 Solve multistep real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies. Course 2, Lesson 2-1 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

Mathematical Practices Ratios and Proportional Relationships Mathematical Practices 1 Make sense of problems and persevere in solving them. 3 Construct viable arguments and critique the reasoning of others. 4 Model with mathematics. Course 2, Lesson 2-1 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

How to: Find the percent of a number Use percents greater than 100% Ratios and Proportional Relationships How to: Find the percent of a number Use percents greater than 100% Course 2, Lesson 2-1

How did what you learned today help you answer the Ratios and Proportional Relationships How did what you learned today help you answer the HOW can percent help you understand situations involving money? Course 2, Lesson 2-1

How did what you learned today help you answer the Ratios and Proportional Relationships How did what you learned today help you answer the HOW can percent help you understand situations involving money? Sample answers: If you write the percent as a fraction or decimal and then multiply by a number, you can find the percent of a dollar amount. Course 2, Lesson 2-1

What is 1.4% of 25? What steps did you use to find your answer? Ratios and Proportional Relationships Ratios and Proportional Relationships What is 1.4% of 25? What steps did you use to find your answer? Course 2, Lesson 2-1