Proportion vs Nonproportions

Which graph shows a proportional relationship between x and y?

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Tags

CCSS.7.RP.A.2D

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

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Tags

CCSS.8.EE.B.5

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.

Tags

CCSS.7.RP.A.2A

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.7.RP.A.2A

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

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Tags

CCSS.7.RP.A.2D

The graph shows a proportional relationship between x and y. Which statement is true?

• The graph shows a non-proportional relationship because the graph has a negative slope.

• The graph shows a non-proportional relationship because the graph does not contain the origin.

• The graph shows a non-proportional relationship because the x and y intercept both contain 7.

• The graph shows a non-proportional relationship because the graph passes through 3 different quadrants.

Tags

CCSS.7.RP.A.2D