Multiplication and Addition of Integers

On a number line, when we add a positive integer, we

• move to the right

• move to the left

• do not move at all

• none of these.

The product of two negative integers is

• a positive integer

• a negative integer

• either a positive integer or a negative integer

• none of these.

The product of three negative (-x-x-) integers is

• a positive integer +

• a negative integer -

• either a positive integer or a negative integer

• none of these.

Multiplication of 3 and -4

3 x -4

• -7

• 12

• -12

• 7

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

• Associative of addtion

• Distributive

• Commutative of addition

• Inverse

Integers are closed under which operations. Select all that apply.

• Addition

• Subtraction

• Multiplication

• Division

The set of whole numbers is closed under which operations. Select all that apply.

• Addition

• Subtraction

• Multiplication

• Division

According to commutative property, a x b =

• b x a

• -( b x a )

• 1/(b x a )

• -1/ (b x a )

Which property is used in this ? 9 x 2 = 2 x 9

• Commutative Property of Multiplication

• Associative Property of Multiplication

• Multiplicative Inverse property

• Distributive Property

Which property is used in this ? 7 x (12-9) = (7 x 12) - (7 x 9)

• Commutative Property

• Associative Property

• Distributive Property

• Identity Property