Quiz 1 -3

What is the additive inverse of  $\frac{2}{3}$ ?

•  $-\frac{2}{3}$  
  

•  $\frac{3}{2}$  

•  $\frac{2}{3}$  

•  $-\frac{3}{2}$  

Which property is illustrated below?
 $\left(19\ \times\ 5\right)\ \times\ 2\ =\ 19\ \times\ \left(5\ \times\ 2\right)$  

• associative property of multiplication

• commutative property of multiplication

• identity property of multiplication

• associative property of addition

What is the multiplicative inverse of  $\frac{2}{3}?$  

•  $-\frac{2}{3}$  

•  $\frac{3}{2}$  

•  $-\frac{3}{2}$  

•  $\frac{2}{3}$  

Simplify the expression:   $3\left(2-6\right)-\left(4+5\right)-1$  

•  $1$  

•  $-1$ 

•  $-19$  

•  $-22$  

Identify the property below:

 $\left(4y\ +\ 1\right)\cdot0=0$  

•  commutative property of addition

•  commutative property of multiplication

• multiplicative property of zero

• inverse property of multiplication 

Which property is illustrated? 

• additive identity

• additive inverse

• multiplicative property of zero

• multiplicative inverse

 Fill in the blank to properly show the DISTRIBUTIVE PROPERTY: 

 $7\left(11\ +\ 4\right)\ =\ 77\ +\ ?$  

•  $3$  

•  $4$  

•  $7$ 

•  $28$  

The commutative property of addition would say  $2n\ +\ 4\ =\ \ ?$  

•  $2\left(n+\ 2\right)$  

•  $n^2+\ 4$  

•  $4\ +\ 2n$  

•  $2n\ +\ 4$  

Which of the following is irrational? 

•  $\sqrt{81}$  

•  $\sqrt{9}$  

•  $\sqrt{12}$  

•  $\sqrt{144}$  

What is the definition of an integer?

• All positive and negative whole numbers

• Decimals or fractions that terminate or repeat

•  All positive whole numbers

•  $0$