Grade 7 | Unit 2 | Lesson 12: Using Graphs to Compare Relationships | Practice Problems

The graphs below show some data from a coffee shop menu. One of the graphs shows cost (in dollars) vs. drink volume (in ounces), and one of the graphs shows calories vs. drink volume (in ounces). Which graph is which? Give them the correct titles.

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Which quantities appear to be in a proportional relationship? Explain how you know.

• Calories and volume appear to be in a proportional relationship.

• Cost and volume appear to be in a proportional relationship.

For the proportional relationship, find the constant of proportionality. What does that number mean?

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Lin and Andre biked home from school at a steady pace. Lin biked 1.5 km and it took her 5 minutes. Andre biked 2 km and it took him 8 minutes. Who was biking faster?

• Lin was biking faster.

• Andre was biking faster.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

For each line, highlight the point with coordinates \((1,k)\) and find \(k\).

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Match each equation to its graph.

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