# 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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