Learning Variable Expressions

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

• coefficient
• algebraic expression
• variable
• term

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

• numeric expression
• term
• variable
• algebraic expression

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

• 3(2 + 7) - 10
• 78 - 5 + 3
• 3x + 6y
• 8(3) - 5 + 2

Which of the following terms means "subtract"?

• half
• less than
• double
• per

Difference, minus, less than, and decreased by are all words that mean ______________.

• add
• subtract
• multiply
• divide

Which expression represents: "the product of 3 and x increased by 5"? 

• 5x - 3
• 3 - 5x
• 3x + 5
• 3x(5)

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

• c
• 7
• 8
• 1

The algebraic expression 6x - 4 can be written as which of the following? 

• x to the sixth power decreased by four
• The product of six and a number x decreased by four
• Six times a number x less than four
• four less than six

What does "product" mean?

• Multiply
• Divide
• Add
• Subract

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m
• 8m - 4
• 8m + 4
• 4m - 8