# 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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