SOL Expressions and Operations

Which expression represents four less than half a number, n?

• x-3

• x-2

• x-6

• x-1

• 16

• 24

• n-7

• 2n-7

• 2n-6

• n-6

• 84

• -28

• -44

Which expression best represents "twice the difference of a number and 7"?

• 2(7-x)

• 2(x-7)

• 2x - (x-7)

• 2x(x-7)

Completely factor a polynomial.

Determine which of the following are factors of

3x³ + 3x² – 18x

Choose all correct answers.

• 3x

• x + 3

• x – 3

• x – 2

• x + 2

(4x⁴ – 6x³ + 2x) + (6x⁴ – 3 – 3x)

• 10x⁴ – 9x³ – x

• 24x⁸ – 16x³ – 6x²

• 10x⁸ – 6x³ – 5x² - 3

• 10x⁴ – 6x³ – x – 3