Combining operations to simplify linear expressions

A(n) _________________________ is a letter that represents a quantity.

• addition

• expression

• algebra

• variable

A(n) __________________ consists of one or more numbers, variables, and operations. 

• numeric expression
• term
• variable
• algebraic expression

A(n) _________________________ is a letter that represents a quantity.

• addition

• expression

• algebra

• variable

A(n) __________________ is a number and/or variable that is separated by addition or subtraction. 

• variable
• term
• coefficient
• expression

A ______________ is a number multiplied by a variable. 

• term
• variable
• coefficient
• numerical expression

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

• 6
• 5
• 3
• 2

What is the coefficient of the following expression? 
7c + 8

• c
• 7
• 8
• 1

Kendra’s math teacher assigned math homework, but Kendra decided to do 5 extra problems. Which algebraic expression shows how many problems Kendra completed? 

• 5x
• x-5
• x+5
• x⁵

Andy and 4 friends equally shared some pizzas. Which algebraic expression represents how much they each ate?

• 4x

• x $\div$ 4

• 5x

• x $\div$ 5

Simplify by combining like terms:

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4