Algebra 1 Chapter 1 Review for Test

Write an algebraic expression for "the sum of z and 2".

• 2z
• z - 2
• z ÷ 2
• z + 2

Evaluate the expression -2a + 4b for a = 3 and b = 0.

• 6
• 2
• -6
• -2

Simplify the expression.
 12 + (6 ÷ 3)

• 3
• 24
• 9
• 14

Simplify the expression.
 12 + (6 ÷ 3)

• 3
• 24
• 9
• 14

Which property is demonstrated?

3(x + 2) = 3x + 6

• Commutative...

• Associative...

• Identity...

• Distributive...

Write the expression that represents the following word phrase: the quotient of x and 7

• $\frac{x}{7}$

• $\frac{7}{x}$

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Is this mapping a function or not a function? 

• Function
• Not a Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function