Page 3 - Properties of Operations

If the expression 3(6 + 3x + 2) + 2 x 8 is rewritten as 3(6 + 2 + 3z) + 2 x 8, what property was used?

• Associative Prop. of Addition

• Distributive Prop.

• Additive Identity Property

• Commutative Property of Addition

Which two expressions are equivalent?

• 4 + (3 * y) and (4+3) * y

• (18/y) + 10 and 10 + (y/18)

• 12 - (y * 2) and 12 - (2 * y)

• (10 - 6) / y and 10 - (6/y)

What property is used in this expression: 7 * (6 * t) and (7 * 6) *t

• Associative Property of Addition

• Associative Property of Multiplication

What property is used in this expression:
23 + 15 = 15 + 23

• Commutative Property of Multiplication

• Commutative Property of Addition

What property is used in this expression: 8 * 1 = 8

• Identity Property of Multplication

• Identity Property of Addition

Using the Associative Property of Addition, rewrite this expression without parenthesis:

• b + 9

• b + 6

• not here

• b + 3

Using the Associative Property of Addition, rewrite this expression without parenthesis: 7 + (3 + t)

• 10 + t

• 7 + 3

• 7 + t

• 3 + t