Week 4.3 STAAR Review Practice 2

The area of a square wall is 182 square feet. Which measurement is closest to the side length in feet of this wall?

• 91.0 ft

• 13.5 ft

• 54.0 ft

• 45.5 ft

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The cost for electricity varies directly with the amount of kilowatt-hours 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?

• $41.52

• $153.86

• $75.67

• $108.96

Which representation best describes a proportional relationship between x and y?

• (Graph with a line passing through the origin)

• y = x + 4

Tags

CCSS.8.EE.B.5

The table shows y as a function of x.

Which ordered pairs can also belong to the function? Select TWO correct answers.

• (-4, 3)

• (-2, 3)

• (4, 3)

• (6, 8)

• (9, 8)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

A segment is graphed on the grid. Points will be plotted on the grid with the segment to show y as a function of x. Which ordered pairs can be added to the grid to show y as a function of x? Select TWO correct answers.

• (3, -6)

• (-1,6)

• (1, -6)

• (0, 2)

• (-2, 4)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which mapping represents y as a function of x?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

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

• F

• G

• H

• J

Which equation represents a proportional relationship between x and y?

• y = x + 15

• y = x/2

• y = 2(x + 4)

• y = 5

Tags

CCSS.7.RP.A.2C

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)}

Tags

CCSS.8.F.A.1

The graph of a linear function passes through the points (-2, 70) and (6, -50). Which equation represents the function?

• y = -15x + 4

• y = -15x + 40