Foundations of Algebra Semester Exam

All of the x values or inputs are called what?

• Domain

• Range

Is the graph continuous or discrete?

• discrete

• continuous

A relation where every input in matches with exactly one output is called what?

• Relation

• Linear

• Exponential

• Function

What is an algebraic expression for this word phrase?
Five times a number

• 5n

• 5 + n

• n - 7

• n/7

What is an algebraic expression for this word phrase?
The quotient of a number and seven

• 5n

• 5 + n

• n - 7

• n/7

What is the algebraic expression for this word phrase?
74 less than a number

• n + 25

• n - 74

• 74 - n

What is an algebraic expression for this word phrase?
4 more than twice a number x

• 4 + 2x

• 2(x + 4)

• 4(2x)

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

• 9(x + 2)

• 9x + 2

What is the value of this expression when
x = 3 and y = 4
x² + 2x + 16 ÷ y²

• 16

• 31/16

What is the simplified form of this expression?
2⁵ + (11 + 4) ÷ 5

• 35

• 15

• 55