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Equations of Proportional Relationships

Equations of Proportional Relationships. Try It!.

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Equations of Proportional Relationships

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  1. Equations of Proportional Relationships

  2. Try It! • Kelly loves to meet new people. When she moved to a new school, she decided to meet three new people every two days. How many people will she have met after 10 days? After 16 days? Write an equation for the number of people Kelly will have met after x days.

  3. Talk About It • What is the rule for moving from one point on the graph to the next? • Why aren’t we pegging the number of people Kelly meets each day? • How do you know the graph shows a proportional relationship? Could we have known this without graphing the coordinates? Explain. • What is the constant of proportionality (unit rate)?

  4. Solve It • Transfer the information from the problem to one sheet of paper as a final. It should include the problem, graph, table, equation, and an explanation as to why it is proportional.

  5. Check for Understanding • Which of the following lists of values shows a proportional relationship?

  6. Practice and Homework • Start on Lesson 4 Equations of Proportional Relationships worksheet. Read the directions carefully. • Homework: Complete worksheet and look at the web page for additional problems for practice.

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