Simplifying Variable Expressions

5 Questions | Total Attempts: 245

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Variable Quizzes & Trivia

Students will be able to define and identify variable expressions, the distributive, commutative, and associative properties; apply the order of operations and sign rules when simplifying variable expressions.


Questions and Answers
  • 1. 
    Variable expressions are mathematical statements that contain:
    • A. 

      Only numbers

    • B. 

      Only letters

    • C. 

      Numbers and letters

    • D. 

      One letter and no numbers

  • 2. 
    Identify the commutative property:
    • A. 

      A + b = a + b

    • B. 

      A + b = b + a

    • C. 

      B + a = a + b

    • D. 

      A + b = 0

  • 3. 
    Simplify - 3x + 5(x - y) - (- x + y)
    • A. 

      - 3x + 6y

    • B. 

      3x - 6y

    • C. 

      6x - 3y

    • D. 

      9xy

  • 4. 
    When simplifying variable expressions, you always use the ____________________________ to determine the value of the expression.
  • 5. 
    When simplifying variable expressions explain what it means to combine like terms.