2022 STAAR Questions Without Calculator

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

• F: {(4, √17), (2, √6), (1, √3), (1, √10)}

• G: {(−7, 2.9), (−15, 5.9), (−15, 8.9), (−7, 11.9)}

• H: {(11.1, 7), (5.1, 4), (12.1, 5), (6.1, 7)}

• J: {(√1, −3), (√2, −4), (√1, −5), (√6, −7)}

Which situation can be represented by this equation? 18x = 19 + 12x

• F: Krystal reads 12 pages per hour. Jondo reads 18 pages per hour. How many hours, x, would it take for Krystal and Jondo to read the same number of pages?

• H: Krystal installs 12 tiles per hour. Jondo installs 19 tiles per hour and started with 18 tiles already installed. How many hours, x, would it take for Krystal and Jondo to install the same number of tiles?

Which graph does NOT represent y as a function of x?

• F

• H

• G

• J

Which situation describes a non-proportional relationship?

• The circumference of a circle with a radius of x units can be represented by y = 2πx.

• The perimeter of an equilateral triangle with a side length of x units can be represented by y = 3x.

• The total surface area of a cylinder with a radius of 1 unit and height of x units can be represented by y = 2πx + 2π.

• The radius of a circle with a diameter of x units can be represented by y = 1/2 x.

Pentagon PQRST was graphed on a coordinate grid. Pentagon PQRST was rotated 90° counterclockwise about the origin to form pentagon P'Q'R'S'T'. Which statement is true?

• A. The area of pentagon P'Q'R'S'T' is not equal to the area of pentagon PQRST.

• B. Pentagon P'Q'R'S'T' is not congruent to pentagon PQRST.

• C. The perimeter of pentagon P'Q'R'S'T' is greater than the perimeter of pentagon PQRST.

• D. The angle measures of pentagon P'Q'R'S'T' are congruent to the corresponding angle measures of pentagon PQRST.

The line graphed on the coordinate grid can be used to determine the number of inches of water added to a swimming pool after different numbers of hours. Which statement best describes the slope of the graphed line?

• The water is being added at a rate of 0.42 inch per hour.

• The water is being added at a rate of 0.80 inch per hour.

• The water is being added at a rate of 2.40 inches per hour.

• The water is being added at a rate of 1.25 inches per hour.

Based on the scatterplot, which is the best prediction of the number of games a baseball team won if the team practiced 3 hours each week during the season?

• 10 games

• 20 games

• 13 games

• 15 games

Fulgarites are pieces of glass in the shape of a cylinder produced when lightning strikes sand. A student found a fulgurite with a height of 21 inches and a diameter of 6 inches. Which equation can be used to find V, the volume of the fulgurite in cubic inches?

• V = π(6)(21)

• V = π(3)(21)

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?

• 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 decreases.

• 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.