8th Math Test 3 Review

Ryan buys his lunch in the school cafeteria. The cost of 15 school lunches is $33.75. Which graph has a slope that best represents the average cost of the lunches in dollars per lunch?

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Dixie pays $6 for 4 bags of chips. Which graph

has a slope that best represents the cost per bag of

chips Dixie purchased?

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Melanie 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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Corbin can shoot 24 baskets in 3 minutes. Which

graph has a slope that best represents Corbin’s unit rate?

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Leslie paid $12 for 2 shirts. Which graph models a

relationship with the same unit rate?

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A pool is filling up with water at a rate of 25 gallons

per minute. Which graph has a slope that best

represents this rate?

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A scuba diver is descending at a rate of 15 ft per

minute. Which graph has a slope that best

represents this rate?

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Haydn makes $10 for every 2 glasses of

lemonade he sales. Which graph models a

relationship with the same unit rate?

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In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.

• 26
• 3
• 58.5
• 2

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? 

• $394
• $440
• $472.80
• $512.20