STAAR Review Strategy(4//12-13/2023)

The cost for electricity varies directly with the amount of kilowatthours of electricity used. The cost for using 1,079 kilowatt-hours of electricity was $129.48. What was the cost for using 908 kilowatt-hours of electricity?

Do not answer the question instead choose the best step below to find the answer

• $108.96

• $75.67

• $153.86

• $41.52

Which set of ordered pairs represents y as a function of x?Which set of ordered pairs represents y as a function of x?

• F

• G

• H

• J

Tags

CCSS.8.F.A.1

A new refrigerator comes packaged in a box shaped like a rectangular prism. The base of the box measures 4 feet by 5 feet. The total surface area of the box is 148 square feet. What is the height of the box in feet?

• 6

• 3

• 4

• 5

Tags

CCSS.7.G.B.6

Mount Fuji in Japan can be modeled as a cone with a diameter of 25 miles and a height of 2.35 miles. Which measurement is closest to the volume of Mount Fuji in cubic miles

• 1,154 cubic miles

• 1,538 cubic miles

• 72 cubic miles

• 385 cubic miles

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

The list shows the weight in pounds of 6 puppies at birth.

3, 1.6, 2.8, 2.5, 1.7, 2.8

What is the mean absolute deviation of these numbers?

• 14.4

• 1.9

• 2.4

• 0.5

Tags

CCSS.6.SP.B.5C

The dimensions of a cylinder are shown in the diagram.

Which measurement is closest to the lateral surface area in square centimeters of the cylinder?

• 191.3

• 164.9

• 277.0

• 138.5

Which measurements could represent the side lengths in feet of a right triangle?

• 2 ft, 3 ft, 5 ft

• 3 ft, 3 ft, 18 ft

• 14 ft, 14 ft, 14 ft

• 10 ft, 24 ft, 26 ft

Tags

CCSS.8.G.B.8

1 Set Q and Set Z are subsets of the real number system. Q = {rational numbers} Z = {integers} Which Venn diagram best represents the relationship between Set Q and Set Z?

• A

• B

• C

• D

The scatterplot shows the relationship between the number of nights spent in a hotel and the total cost for the hotel.

Which conclusion is best supported by the scatterplot?

• There is no relationship between the number of nights spent in a hotel and the total cost for the hotel.

• As the number of nights spent in a hotel increases, the total cost for the hotel increases.

• As the number of nights spent in a hotel increases, the total cost for the hotel remains the same.

• There is no relationship between the number of nights spent in a hotel and the total cost for the hotel.

Tags

CCSS.8.SP.A.1

The table shows the cost per year of attending different types of colleges.

A student is planning to attend college in 5 years. The student has saved $1,200 and plans to save another $50 per month over the next 60 months. Based on this information about the student’s plan, which statement about the possible choices for a college is true?

• The student would be able to afford the costs for one year at a private 4-year college.

• The student would be able to afford out-of-state costs for half a year at a 4-year public college.

• The student would be able to afford in-state costs for one year at a public 2-year college.

• The student would be able to afford in-state costs for half a year at a public 4-year college.