rational numbers and properties

What is the additive inverse of 2/3?

• -2/3
• 3/2
• 2/3
• -3/2

This is an example of which property:
(2⋅3)4=2⋅3⋅4

• Associative
• Commutative
• Inverse
• Identity

Identify the property
a(b + c) = ab + ac

• Associative of addtion
• Distributive
• Commutative of addition
• Inverse

Which property does this represent:  $3(9+4)=3\cdot9+3\cdot4$  

• Commutative Property of Addition

• Distributive Property

• Associative Property of Multiplication

• Addition Property of Equality

What property allows this statement to be true?

ab = ba

• Associative Property of Multiplication

• Distributive Property

• Commutative Property of Multiplication

• Associative Property of Addition

This property tells us that when we change the order of numbers when we are adding, the answer does not change.  

• Commutative Addition
• Commutative Multiplication
• Associative Addition
• Associative Multiplication

What two operations can the commutative property be used with?

• addition and subtraction

• addition and multiplication

• addition and division

Which represents the absolute value of 10?

• 10

• -10

• -1/10

• 11

Which has the same absolute value as -55?

• 0
• -1
• 1
• 55

|-20|

• 20
• -20