Foundations of Algebra

What is an algebraic expression for this word phrase?

The quotient of a number and seven

• $5n$
  

• $\frac{7}{n}$
  

• $n-7$
  

• $\frac{n}{7}$

What is the algebraic expression for this word phrase?

74 less than a number

• $74-n$

• $n-74$
  

• $\frac{n}{74}$

• $\frac{74}{n}$

What is an algebraic expression for this word phrase?
the product of 9 and the sum of a number and 2

•  $\frac{9}{\left(n+2\right)}$  

•  $2n+9$  
  

•  $9n+2$  

•  $9\left(n+2\right)$  

What is the simplified form of this expression?

 $\left(0.2\right)^4$ 

• 0.8

• 0.16

• 0.0008

• 0.0016

What is the value of this expression when x = 3 and y = 4:

 $x^2+2x+16\div y^2$  

• 16

• 31/16

• 20

• 13

What is the simplified form of this expression?

2⁵ + (11 + 4) ÷ 5

• 35

• 13

• 55

• 5

Which property is illustrated by this statement?

 $31\cdot0=0$  

• Zero Property of Multiplication

• Associative Property of Addition

• Associative Property of Multiplication

• Identity Property of Addition

Which property is illustrated by this statement?

 $5c+0=5c$  

• Zero Property of Multiplication

• Associative Property of Addition

• Associative Property of Multiplication

• Identity Property of Addition

Which property is illustrated by this statement?

 $\left(x+3\right)+6=x+\left(3+6\right)$ 

• Zero Property of Multiplication

• Associative Property of Addition

• Associative Property of Multiplication

• Identity Property of Addition

What is the simplified form of this expression and what property would you use to simplify?

 $4\left(8n\right)$  

•  $12n$ ; Associative Property of Multiplication

•  $32n$ ; Associative Property of Multiplication

•  $12n$ ; Commutative Property of Multiplication

•  $32n$ ; Commutative Property of Multiplication