properties of rational numbers

True or false: abc = cba

• True

• False, if c = 0.

• False, if a > b.

• False, three variables can't multiply.

2 x [ 3 x (-5 )] = (2 x 3) x (-5) is ________ property

• Closure

• Commutative

• Associative

• Identity

• Inverse

Which property does this represent:

12 + 16 + 15 = 16 + 12 + 15

• Commutuative Property of Multiplication

• Distributive Property

• Commutative Property of Addition

• Associative Property of Addition

• Rational numbers are closed under addition

• Rational numbers satisfy the associative property

• Addition of rational numbers is not commutative

• Rational numbers are not closed under addition

If a + (-a )= 0; then ( -a ) is called

• Additive identity of a

• additive inverse of a

• Multiplicative identity of a

• None of these

The product of a rational number and its reciprocal is-

• 0

• 1

• -1

• None of these

3+0=3

is an example of which property?

• Multiplicative Inverse

• Additive Identity

• Multiplicative Identity

• Additive inverse

The reciprocal of a negative rational number _____

• is a positive rational number

• is a negative rational number

• can be either a positive or a negative rational number

• does not exist

If a + (-a )= 0; then ( -a ) is called

• Additive identity of a

• additive inverse of a

• Multiplicative identity of a

• None of these

Multiplicative inverse of zero is-

• 0

• 1

• -1

• Not determinable