1.   Find
    A. B.
    C. D.
    Hint

  2.   Find a number that when squared equals 484.
    A. 22 or -22 B. -22 only
    C. 22 only D. None of these is correct
    Hint

  3.   Solve the equation x2 = 0.81.
    A. x = 0.9 or x = -0.9
    B. x = -0.9 only
    C. none of these is correct
    D. x = 0.9 only
    Hint

  4.   Determine whether the number is rational or irrational.
    A. neither B. irrational
    C. both D. rational
    Hint

  5.   Simplify
    A. B.
    C. D.
    Hint



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