Chapter 6 Quiz: Rational Expressions & Equations

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Chapter 6 Quiz:  Rational Expressions & Equations - Quiz

Questions and Answers
  • 1. 

    Factor using slide and divide: 

    • A.

      (2x - 1)(x + 7)

    • B.

      (2x + 1)(x - 7)

    • C.

      (x + 14)(x - 1)

    • D.

      2(x - 7)(x + 1)

    Correct Answer
    A. (2x - 1)(x + 7)
    Explanation
    The given answer is correct because when we multiply (2x - 1) and (x + 7) using the distributive property, we get 2x^2 + 14x - x - 7, which simplifies to 2x^2 + 13x - 7. This matches the expression given in the question, so (2x - 1)(x + 7) is the correct factorization.

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  • 2. 

    Simplify/Reduce:  Answer Choices: A.                                 B.                               C.                         D. 

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
  • 3. 

    Simplify/Reduce:  . Answer Choices: A.                          B.                         C.                         D. 

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    D. D
  • 4. 

    Multiply Answer Choices: A.                               B.                                 C.                            D. 

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
  • 5. 

    Divide Answer Choices: A.                            B.                           C.                                D. 

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    A. A
  • 6. 

    Add:  Answer Choices: A.                  B.                  C.                  D. 

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
  • 7. 

    Subtract:  Answer Choices: A.                                      B.  C.                                      D.   

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    B. B
  • 8. 

    Exchange Rates  Robyn spent two months traveling in New Zealand.  The day she arrived the exchange rate was 1.3 New Zealand dollars per every 1 U.S. dollar.  If she exchanged $500 U.S. dollars when she arrived, how much in New Zealand dollars did she receive?

    • A.

      $384.62

    • B.

      $650

    • C.

      $325

    • D.

      $822.15

    Correct Answer
    B. $650
    Explanation
    Robyn exchanged $500 U.S. dollars when she arrived in New Zealand. The exchange rate was 1.3 New Zealand dollars per every 1 U.S. dollar. To find out how much in New Zealand dollars she received, we need to multiply the amount of U.S. dollars by the exchange rate. Therefore, $500 multiplied by 1.3 equals $650. So, Robyn received $650 in New Zealand dollars.

    Rate this question:

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