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This represents which sum? A) 2x2 - 2x + 1 B) 6x2 - 6x + 1 C) 2x4 - 2x2 + 1 D) 1 This represents which product? A) x2 + 5x +3 B) x2 + 3x + 2 C) x4 + 3x2 +2 D) x2 - 3x - 2 Find the perimeter. A) 5 B) 6x + 5 C) 6x3 + 2x + 5 D) 2x + 5 -3x3 - 2x + 5 x3 2x3 + 4x Simplify. (4x - 2)(x + 1) A) 4x2 - 2x + 4 B) -2x + 4 C) 4x2 + 2x - 2 D) 4x2 - 2x - 2 Simplify. (x + 5)(2x2 - 3x + 1) A) 2x3 + 7x2 - 14x + 5 B) 2x3 +13x2 -16x + 5 C) 2x3 - 3x2 + x D) 10x2 - 15x + 5 Simplify. (x - 9)(x + 9) A) x2 - 18x - 81 B) x2 + 81 C) x2 - 81 D) x2 + 18x + 81 Simplify. 5x3 + 20x2 - 10x 10x A) ½x2 + 2x - 1 B) ½x2 - 2x - 1 C) 2x2 + 2x - 1 D) 2x2 + 2x + 1 Simplify. A) 8m - 7 + 3 m B) 8 - 7 + 3 m m2 (24m2 - 21m + 9) ÷ 3m2 C) 8m2 - 7m + 3 D) 3m2 Simplify. (4p3 - 2p + 8) - (10 + 2p3 -5p) A) 2p3 - 7p + 2 B) 2p3 - 7p - 2 C) 2p3 + 3p - 2 D) 2p3 + 3p + 2 Sarah wrote the following on her paper while adding polynomials. 3x + 4x = 7x2 Which of the following describes her mistake? She didn't combine like terms. 7x2 should be just 7x. She needed to multiply 3 & 4. 7x2 should be 7x12 |