# Chapter 7 Review: Question Preview (ID: 30749)

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 Factor the expression: -45x - 18 a) -9(5x + 2) b) 9(-5x + 2) c) -9(5x - 2) d) -9(-5x - 2) Simplify the expression: 5x - 4(2x + 3) a) -3x + 3 b) -x + 3 c) -3x -12 d) -x - 3 Subtract the expressions: (-m + 4) - (-m -4) a) -2m b) -2m + 8 c) 4 d) 8 Add the expressions: (3x + 8) + (-4x - 4) a) 7x + 12 b) -x + 12 c) -x + 4 d) 7x + 4 Use the distributive property to rewrite the expression: -8(3x + 6y) a) 24x + 48y b) -5x + 6y c) -24x - 48y d) 5x + 6y Simplify the expression: 8x + 23 - 10x - 5 + 3x a) x + 18 b) -2x + 18 c) 21x + 18 d) 19x What are the like terms in this expression? 5x + 2xy + 3x - y + 18 a) 2xy, -y b) 5x, 3x c) 5x, 2xy, 3x d) 2xy, -y What are the constant(s) in this expression 5x + 4y - 12 a) 5,4 b) -12 c) x,y d) 1 What are the variable(s) in this expression 5x + 4y - 12 a) 5,4 b) -12 c) x,y d) 1 What are the exponent(s) in this expression 5x + 4y - 12 a) 5,4 b) -12 c) x, y d) 1 What are the coefficient(s) in this expression 5x + 4y - 12 a) 5, 4 b) -12 c) x, y d) 1 How many terms are in this expression 5x + 4y - 12 a) 5 b) 3 c) 2 d) 1 Simplify the expression: 3x + 5y - x + 12 - 8 a) 2x + 5y + 4 b) 7xy + 4 c) 4x + 5y + 4 d) 11xy Find the GCF of the following monomials: 24xy, 15x a) 5x b) 3x c) 5 d) 3 Factor the expression: 6x + 12 a) 3(2x + 4) b) 2(3x + 6) c) 3(2 + 4) = 24 d) 6(x + 2) Use the distributive property and simplify the expression: 4(2x + 3) + 2x a) 10x + 3 b) 4x + 3 c) 10x + 12 d) 4x + 12 Subtract the expressions: (x + 1) - 2(-3x + 5) a) -5x + 11 b) -5x - 9 c) 7x - 9 d) 7x + 11 Add the expressions: (4x + 8) + (-2x + 5) a) 2x + 13 b) 6x + 13 c) 12x + 3x d) 6x + 3 Simplify the expression: 8p - 7 + 4p a) 4p - 7 b) 19p c) 12p - 7 d) 5p What are the like terms: 5x + 3xy + 8y + 10x + 5 a) 5x, 3xy, 10x b) 5x, 10x c) 5x, 5 d) 3xy, 8y
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