Expressions Review

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient
• algebraic expression
• variable
• term

How many terms are in the given expression?
5² + 7n - 2f  

• 6
• 5
• 3
• 2

What are the terms in the expression?
-4x + 6y - 2

• -4x, 6y, -2
• x, y
• 4x, 6y
• -2

What are the constants in the expression?
-4x + 6y - 2

• -4x, 6y, -2
• x, y
• 4x, 6y
• -2

4y - 2y =

• 2y
• 6y
• y + 2
• y - 2

3a + 2b + 3 a =

• 8a
• 8b
• 5a + 3a
• 6a + 2b

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

Simplify the expression: 7v + 2 + 12 + 2v

• 23
• 23v
• 9 + 14v
• 9v + 14

X+X+X+X+X

• X + 5 
• 5X
• X+X+X+X+X+5
• X to the 5th power 

y + x + y + y + x 

• 2 + 3 
• x + y 
• 2x + 3y 
• 5xy