STAAR Review 2

The cost of 6 pencils at a store is 30 cents. Each pencil has the same cost. Which graph has a slope that best represents the cost of each pencil at this store?

• F

• G

• H

• J

Tags

CCSS.8.EE.B.5

A student solved the equation x² = 132 to find the length of the diagonal of a square in centimeters. Which measurement is closest to x, the length of the diagonal of this square, in centimeters?

• 11

• 66 cm

• 44 cm

• 33 cm

Tags

CCSS.8.EE.A.2

8 The diagram represents a ramp in the shape of a right triangle and the lengths of two of its sides in feet.What is the length of the ramp in feet?

Tags

CCSS.8.G.B.7

The coordinate grid shows XY . Which measurement is closest to the length of XY in units?

• 7.8 units

• 16.0 units

• 13.0 units

• 11.7 units

Tags

CCSS.6.G.A.3

Find the correct answer

• A

• B

• C

• D

Tags

CCSS.8.NS.A.2

Triangle ABC and triangle DEF are similar

• F

• G

• H

• J

Tags

CCSS.HSG.SRT.A.2

A survey of customers at a restaurant revealed that 7 out of 10 customers preferred the restaurant’s new spaghetti sauce. Which graph shows the relationship between y, the number of customers who preferred the new spaghetti sauce, and x, the total number of customers?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

A figure was transformed on a coordinate grid using the rule ( x ,y) → (− x,-y). Which of the following describes this transformation?

• A reflection across the x-axis

• A reflection across the y-axis

• A 90° clockwise rotation about the origin

• A 180° clockwise rotation about the origin

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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?

• F

• G

• H

• J

Tags

CCSS.8.G.A.3

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 gallon per minute. After how many minutes will both aquariums contain the same amount of water?

Tags

CCSS.8.EE.C.8C