Algebra 1 Q3 Benchmark Review

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Subtract the polynomials.

(2x + 5y) - (3x - 2y)

• -x + 3y

• -x + 7y

• 5x + 7y

• 7xy + 1xy

Add the polynomials.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1
• 2x³ + 1x² - 5x + 9
• 6x³ + 1x - 1x² - 3
• 3x⁵ +1x - 1x⁵ - 3x

(x³-x²+4) - (3x³-2x²+3)

• -2x³-3x²+7
• -2x³+x²+1
• 2x³-3x³-1
• 4x³-3x²+7

(x +2)(x + 3)

• x² + 5x + 6

• x² + x + 6

• x² + 5x + 5

• x² + 6x + 6

Multiply

(x+4)(x-2)

• x²-2x-8

• 2x+2

• x²+2x-8

• x²+6x-8

What is the gcf of the expression 15x³ + 25x² - 5?

• 5x³

• 5

• 5x

• 5x²

Identify the gcf for the pair of monomials: 12a⁴b³c², 20a³bc²

• 4a⁴b³c²

• 4a³bc²

• 4abc

• 4a³bc²

Factor 3mn - 6n²

• 3n(m - 2)

• 3m(n - 2n²)

• 3m(n - 2)

• 3n(m - 2n)