Algebraic Expressions Unit Review

x + y

• expression
• equation

Equations must have an

• ≠
• =
• ≤
• ≥

Is the following a expression 
10

• yes 
• no

What is the value of 2x when x = 5?

• 10

• 15

• 20

• 25

Which of the following is an example of an algebraic expression?

• 3 + 4

• -2x - 4

What is the coefficient in the expression -3x?

• -3

• x

Evaluate the expression for y = 5

y + (-5)

• 0

• 10

• -5

Write the product of 3 • 3 • 3 • 3 in exponential form.

• 3 • 4

• 
• 
• 

Write the product of 7 • 7 • 7 • 7 • 7

in exponential form.

• 7 • 5

• 
• 
• 

Simplify the expression 7x + 4y + 3x.

• 7x+7y

• 4x+4y

• 7x+4y

• 10x+4y