8th Math STAAR Review RC2

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CCSS.8.EE.B.6

CCSS.8.G.A.4

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CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

• The relationship between the slope of the hypotenuse of triangle DEF and the slope of the hypotenuse of triangle GHI cannot be determined.

• The slope of the hypotenuse of triangle DEF is greater than the slope of the hypotenuse of triangle GHI.

• The slope of the hypotenuse of triangle DEF is less than the slope of the hypotenuse of triangle GHI.

• The slope of the hypotenuse of triangle DEF is equal to the slope of the hypotenuse of triangle GHI.

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CCSS.8.EE.B.6

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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CCSS.7.RP.A.2D

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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CCSS.7.RP.A.2D

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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CCSS.7.RP.A.2D

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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CCSS.7.RP.A.2D

• 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.

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CCSS.7.RP.A.2D

A tree in Dante's neighborhood grew 18 inches in the first two years after it was planted. 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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CCSS.7.RP.A.2D

On a field trip, there are 3 adults for every 45 students. Which graph models a relationship with the same unit rate?

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CCSS.7.RP.A.2D