Unit Rate and Slope STAAR review

The cost of 15 lunches is $33.75. Which graph has a slope that best represents the average cost per lunch?

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Tags

CCSS.8.EE.B.5

What is the slope of the linear function that is shown?

• 1/2

• 2

• -2

• -1/2

Tags

CCSS.8.EE.B.5

A bottle contains 30 fluid ounces of orange juice and 18 fluid ounces of pineapple juice. Which graph has a slope that represents the ratio of orange juice to pineapple juice in this bottle?

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Tags

CCSS.8.EE.B.5

An aquarium is being filled with water. The graph shows the height of the water over time as the aquarium is being filled. Which statement best describes the rate of change for this situation?

• The height of the water increases 20 inches per second.

• The height of the water increases 1 inch per second.

• The height of the water increases 5 inches per second.

• The height of the water increases 2.5 inches per second.

Tags

CCSS.HSF.IF.B.4

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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Tags

CCSS.8.EE.B.5

A gym charges a membership fee plus an additional fee per yoga class. The table shows the number of yoga classes taken and the total cost including the membership fee. Which statement is true?

• The additional fee per yoga class is $3.75.

• The additional fee per yoga class is $8.25.

• The membership fee is $35.00.

• The membership fee is $42.50.

Tags

CCSS.HSF.LE.B.5

An oil-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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Tags

CCSS.8.EE.B.5

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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Tags

CCSS.8.EE.B.5

Leanor 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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Tags

CCSS.8.EE.B.5

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

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Tags

CCSS.8.EE.B.5