8.5ABFH

On a map scale, 2 inches represents 60 miles. Which graph best shows the relationship between x, the number of inches on the map, and y, the actual distance in miles?

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A hot-air balloon is released at ground level, and it rises into the air at a constant rate. After 5 seconds the height of the balloon is 20 feet. The balloon continues to rise at the same rate.

Which table shows the relationship between the time in seconds, x, and the height of the balloon in feet, y?

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The approximate volume in millimeters, m, for a volume of f fluid ounces is equal to 29.57 times the value of f. Which table represents this relationship?

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Rudolfo has 15 toys in his toy box, and he adds 2 new toys every month. Based on this information, which representation best shows this relationship between the number of toys Rudolfo has in his toy box, y, and the number of months that have passed, x?

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Which table contains only corresponding x-values and y-values where the value of y is 3 more than the quotient of x and 2?

(quotient means divide x by 2)

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Which graph appears to show a proportional relationship between x and y?

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Which graph shows a non-proportional linear relationship between x and y?

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Which graph shows a proportional relationship between x and y?

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Which situation could NOT represent a proportional relationship?

• The number of gallons of water in x barrels with 42 gallons of water in each barrel

• The amount an employee who makes $8.50 per hour earns in h hours

• The weight in x weeks of a puppy that gains 2 pounds per week if its starting weight is 8 pounds

• The cost of purchasing p pounds of bananas for $0.55 per pound

Which situation represents a proportional relationship?

• The cost of purchasing a basket or 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