Mathematics REVIEW Quiz

What does (4a^2 - 5a - 2) - (a^2 + 6a - 8) equal?

• 3a^2 - 11a + 6

• 3a^2 + a - 10

• 4a^4 - 30a^2 + 16

• -2a^3

Which is a solution to this system of inequalities?

• (1, -2)

• (-3, 2)

• (0, 5)

• (2, 3)

What is 2 + 2?

• 3

• 4

• 5

• 6

Solve for x: 2x + 5 = 15

• x = 5

• x = 10

• x = 7

• x = 8

Which best describes the solution for this system? y = 3x - 4 2y = 2x + 1

• There are infinitely many solutions.

• There is not a solution for this system.

• There is one solution located in the first quadrant.

• There is one solution located on the y-axis.

Which is equivalent to the following expression? (k^2)^4

• k^6

• 2k^8

• k^16

• k^8

The number of complaints a company received at the end of six weeks is shown in this table. Based on the line of best fit, approximately how many complaints should the company expect at the end of week 8?

• 75

• 91

• 96

• 110

Which graph represents the following inequality? ( y < 4x - 2 )

• Graph A

• Graph B

• Graph C

• Graph D

Which represents a direct variation function?

• y = 3x - 7

• y = 3x^2 - 7

• y = 3x

• y = 3/x

Which of the following is equivalent to this expression? ((-5g^5h^6)^2(g^4h^2)^4)

• -25g^{26}h^{20}

• \frac{g^{26}h^{20}}{25}

• -25g^{26}h^{20}

• 25g^{15}h^{14}