Graph Proportional Relationships as the Unit Rate

An oli-well contractor drills a shaft 7 meters deeper into the ground every 2 hours. Which graph has a slope that best represents this rate?

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Joseph ran a 6-mile race in 48 minutes. Which graph has a slope that best represents Joseph's average rate of speed during the race?

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STAAR 2017 -Q4: A water hose discharges water at a rate of 45 gallons per minute. Which graph has a slope that best represents this rate?

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An artist is making a scale model of a statue. On the model 2 inches represents 1 foot on the actual statue. Which graph best represents this relationship?

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During migration, a butterfly can travel 30 miles in 1 hour. Which graph best represents y, the number of miles a butterfly can travel in x hours?

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STAAR 2017 - Q28: Learnor pays a total of $16.50 for every 6 shirts she has dry-cleaned. Which graph models a relationship with the same unit rate?

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Frank and his family drove 6 hours every day during a road trip. Which graph best represents y, the total number of hours driven in x days?

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Judy can decorate 3 cakes in 5 hours. Which graph best represents this relationship?

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A tree in Dante's neighborhood grew 18 inches in the first 2 years after it was planted. If the tree continues to grow at the same rate, which graph best represents the growth rate of the tree in inches per year?

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What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour