Expressions

What is the coefficient?

-9 + -5x

• -9

• -5

• x

• -5x

Identify the property shown.

• Commutative
• Associative
• Distributive
• None

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Simplify the expression: 7+3(1 - 2x) 

• 21 - 6x
• 10 - 2x
• 10 - 20x
• 10 - 6x

Which explanation best explains why
10 + (25 – 8) is a numerical expression?

• It has two operations.
• It has more than one number.
• It lacks a variable.
• It has a parenthesis.

Factor out the GCF.
5x + 35

• 5
• (x + 7)
• 5(x + 7)
• 5(x + 30)

What word phrase can you use to represent "5x + 2"?

• five times the sum of a number x and two
• two times the sum of a number x and five
• a number x times the sum of five and two
• the sum of five times a number x and two

-(8 - m)

• m - 8
• -8 - m
• 8 - m
• m + 8

-9(2g - 3)

• 18g + 27
• -18g + 27
• -18g - 27
• 18g - 27

_{4x – 3 – 5x - 9}

• 9x - 12
• x + 12
• -x - 12
• -9x + 12