# Expressions: Question Preview (ID: 4669)

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 The coefficients of 2x - 4x - x + 2 are a) 2,4,1,2 b) 2,-4,-1 c) 2,-4,-1,2 d) 2,4,1 What is the constant of this expression: 2x - 3x - 4 a) 4 b) 2, 3, 4 c) 2,-3,-4 d) -4 What are the like terms: 2x - 3x + 4 a) 2x, -3x b) 2x, -3x, 4 c) none d) 2x, 3x Combine like terms (simplify expression) 3x - 2x + 4x a) 9x b) no like terms c) 5x d) x Simplify the expression: 2x + 2 a) 4x b) no like terms, 2x + 2 c) 2 d) 2x Simplify the expression: 2x - 4x a) 2x b) -2x c) -2 d) 2x - 4x Evaluate the expression: 2a + 4 (where a = -2) a) 0 b) 4 c) 12 d) 8 Evaluate the expression: 9x + 3b - 2s (where x = 1, b = 0, s=2 a) 14 b) -5 c) 10 d) 5 What are/is the coefficient in this example: -9x + 2 a) -9, 2 b) 9 c) -9 d) 9, 2 Simplify the expression 2a - 3a - 4a (where a is 1) a) -9 b) -5 c) 5 d) 1
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