Sol Algebra I

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

• 4-1/2 n

• 1/2 n -4

• 1/2 (4-n)

• 1/2 (n-4)

Which of the following binomials is a factor of x²-x-6?

• x-1

• x-2

• x-3

• x-6

Which expression is equivalent to

1/6 (30x-24y)- 1/8(32x-16y)?

• x-6y

• x-2y

• 2x-4y

• 9x-6y

Which is equivalent to ∛48 in simplest form?

• 2 ∛6

• 6 ∛2

• 16

• 24

What is the value of √128 in simplest form?

• 8 √2

• 64 √2

• 4 √8

• 16 √8

Which polynomial is equivalent to this expression if n≠ −1?

3+n-2n²

1+n

• 2n-3

• 3-2n

• 3-2n²

• 4-2n²

Which is a factor of 2n² -5n-42

• 2n-7

• 2n-6

• n-7

• n-6

Identify each expression that is in simplest radical form.

• x√50y

• 64√x

• 7x²y√2xy

• √12x³y⁴

What is the value of this expression when n = −15?

−2∣ n+6∣

• -42

• -18

• 18

• 42

Which equation represents the line that passes through the points (-4,4) and (8, -2)?

• y=-2x+14

• y=-2x-4

• y=−1/2x+2

• y=-1/2x-2