Unit 4 Review

The graph shows the relationship between the time and distance a cyclist travels.

Which of the following best describes the slope of the line?

• The cyclist travels at a speed of 1.5 miles per hour

• The cyclist travels at a speed of 15 miles per hour.

• The cyclist travels at a speed of 8 miles per hour.

• The cyclist travels at a speed of 20 miles per hour.

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CCSS.HSF.IF.B.4

A parking lot owner charges a total of $50 for parking 5 cars in his lot. Which like can be used to model the relationship between c, the number of cars in the lot, and d, the amount of money collected?

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CCSS.8.EE.B.5

A study was conducted to determine the average number of text messages sent by teenagers in a day. What is the rate of change of the line?

(What is the number of text messages sent per day?)

Tags

CCSS.HSF.IF.B.4

Tony reads at a rate of 40 pages every 10 minutes. Which graph correctly represents the unit rate for this proportional relationship?

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CCSS.8.EE.B.5

Monica can drive a distance of 150 miles in 2.5 hours. Assuming she drives at a constant rate, which graph below best represents the linear relationship between x, the number of hours Monica drives, and y, the total number of miles she can travel?

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Tags

CCSS.8.EE.B.5

A mail carrier travels at 15 miles per hour through a neighborhood. Which table represents the distance the mail carrier travels in x hours?

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of the following represents a proportional relationship?

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Tags

CCSS.8.EE.B.5

Which of the following situations in non-proportional?

• Each light bulb cost $0.10 per hour in electricity cost when turned on.

• Each light bulb at a wholesale purchase club costs $3.79 plus the membership fee of $4.95

• Each light bulb in a house contains 25 milligrams of tungsten.

• Each light bulb in a light fixture uses 40 watts of electricity per hour.

Tags

CCSS.HSF-LE.A.1B

Which graph shows a proportional relationship between the values of x and the values of y?

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CCSS.8.EE.B.5

Which situation represents a proportional relationship?

• The cost of purchasing a basket of oranges for $1.30 per pound plus $5.00 for the basket.

• The cost of purchasing peaches for $7.00 per box of peaches with a delivery charge of $3.00

• The cost of purchasing grapefruit for $1.80 per pound with a coupon for $1.00 off the total cost.

• The cost of purchasing apples for $1.75 per pound plus a shipping fee of $0.16 per pound.

Tags

CCSS.HSF-LE.A.1B