1.7 Review

3a + 2 + a

• 4a + 2
• 5a
• 6a
• 2a + 2

x + 2x

• 2x²
• 3x
• Can't be simplified

Simplify
x + 6 − 3x − 8

• -2x-2
• -2x-14
• -3x-14
• -3x-2

What is
7y + 15 − 7y − 8?

• 3
• 5
• 6
• 7

Which one is the constant?
5g³ + 2

• 5
• g
• 3
• 2

How many terms are in the expression below:
-3c + 7d

• one
• two
• three
• four

150 + 75 = 75 + 150

• Associative Property of Addition

• Associative Property of Multiplication

• Commutative Property of Addition

• Commutative Property of Multiplication

(30 + 20) + 60 = 30 + (20 + 60)

• Associative Property of Addition

• Associative Property of Multiplication

• Commutative Property of Addition

• Commutative Property of Multiplication

Which example DOES NOT show the commutative property?

•  6 x 2=2 x 6 
• 3 x 1=3 
• 4 x 5=5 x 4
• 3 x 1=3 x 1

Simplify the following expression:
(5 + 4x) + (2x - 8)

• 13 + 6x
• 6x - 3
• 6x - 13
• 6x + 3