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6-8 Grade 7 Unit 2 Lesson 13

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Unit 2, Lesson 13

Two Graphs for Each Relationship

Grade 7

Practice

Problem 1

Student Task Statement

At the supermarket you can fill your own honey bear container. A customer buys 12 ounce of honey for $5.40.

How much does honey cost per ounce?
How much honey can you buy per dollar?
Write two different equations that represent this situation. Use for ounces of honey and for cost in dollars.
Choose one of your equations, and sketch its graph. Be sure to label the axes.

A blank coordinate plane.

Lesson 13 Resources

Student Materials Student Materials in Spanish

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Problem 2

Student Task Statement

The point lies on the graph representing a proportional relationship. Which of the following points also lie on the same graph? Select all that apply.

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Problem 3

Student Task Statement

A trail mix recipe asks for 4 cups of raisins for every 6 cups of peanuts. There is proportional relationship between the amount of raisins, (cups), and the amount of peanuts, (cups), in this recipe.

Write the equation for the relationship that has a constant of proportionality greater than 1. Graph the relationship.
Write the equation for the relationship that has a constant of proportionality less than 1. Graph the relationship.

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Problem 4

ForLesson 11: Interpreting Graphs of Proportional Relationships

Student Task Statement

Here is a graph that represents a proportional relationship.

Come up with a situation that could be represented by this graph.
Label the axes with the quantities in your situation.
Give the graph a title.
Choose a point on the graph. What do the coordinates represent in your situation?

Graph of a line on a coordinate plane, origin O. Horizontal axis has scale 0 to 50 by 5’s. Vertical axis has scale 0 to 100 by 10’s. The line begins at (0 comma 0) and goes through (110 comma 55).

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