PRACTICE 8TH GRADE STAAR

Oscar 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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Tags

CCSS.8.EE.B.5

A sphere and its dimension are shown in the diagram.

• F

  1,325.4 in.3

• G

  188.5 in.3

• H

  94.2 in.3

• J

  1,767.1 in.3

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Which ordered pair represents a solution to both equations?

• A

  (-4,0)

• B

  (-3 ,3)

• C

  (3, -3)

• D

  (0, 4)

Tags

CCSS.8.EE.C.8B

Which proportion must be true?

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Tags

CCSS.HSG.SRT.A.2

5. Which graph represents y as a function of x?

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A polygon will be dilated on a coordinate grid to create a smaller polygon. The polygon is dilated using the origin as the center of dilation.

Which rule could represent this dilation?

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Tags

CCSS.8.G.A.3

7) Aquarium I contains 4.6 gallons of water. Louise will begin filling Aquarium I at a rate of 1.2 gallons per minute.

Aquarium II contains 54.6 gallons of water. Isaac will begin draining Aquarium II at a rate of 0.8 gallons per minute.

After how many minutes will both aquariums contain the same amount of water?

• A

  148 min

• B

  125 min

• C

  25 min

• D

  50 min

Tags

CCSS.8.EE.C.8C

8) The width of a rectangle is 4 feet, and the diagonal length of the rectangle is 13 feet. Which measurement is closest to the length of this rectangle in feet?

• F

  9ft

• G

  17 ft

• H

  12.4 ft

• J

  13.6 ft

Tags

CCSS.8.G.B.8

What is the slope of PV?

(a)  

Tags

CCSS.8.EE.B.6

Which rule best describes this transformation?

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Tags

CCSS.HSG.CO.A.2