Module 5 Mid-Chapter Review

Simplify the expression by combining like terms.

8a+4b+2c-3b+a

• 9a+b+2c

• 10a+7b+c

• 13abc

• 18abc

The number in front of a variable telling the mathematician how much to multiply the variable by is called the...

• Term

• Constant

• Coefficient

• Expression

A number with no variable is called a...

• Coefficient

• Constant

• Term

• Expression

Expressions are made up of these...

• Variables

• Operations

• Terms

• Distributive Property

Simplify:
-1x + y - z + 10z + 2x - 10y

• 1x - 9y + 9z
• 1x - 9z - 9y
• -1x - 9z - 9y
• -1x - 9 - 9y

Simplify by combining like terms.
-14w + 8 + 9w - 2

• 23w + 6
• -23w + 6
• -6w + 7
• -5w + 6

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

Like terms have the same _____ and the same _____.

• variables and numbers
• signs and numbers
• variables and exponents
• variables and signs

Simplify by combining like terms:

x + 3x + 6x + x

• 9x

• 11x

• 2x + 9x

• Can't be simplified