Foundations of Algebra Test 4

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 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

x + y = 50

• expression
• equation

If x = 5,find the value of 7x - 1

• 34

• 36

• 35

Check whether the given number is a solution of the equation or inequality.

 $11y\ -\ 5\ \le\ 30;\ 3$  

• Solution

• Not a solution

x + y

• expression
• equation

What is the inverse of multiplying by 8

• Dividing by 8
• Adding 8
• Subtracting 8
• Multiplying by 8

What is the additive inverse of 9

• 9
• 1/9
• -9

What is the multiplicative inverse of 3/4

• 4/3
• 1/4
• 3/4