1.   Determine whether the number 0.121212… is rational or irrational. What is its fractional equivalent?
    A. rational, B. rational,
    C. irrational, D. irrational,
    Hint

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

  3.   Graph , and on a number line.
    A.
    B.
    C.
    D.
    Hint

  4.   Determine whether the number is rational or irrational.
    A. Both B. Irrational
    C. Neither D. Rational
    Hint

  5.   Let R = real numbers, Q = rational number, Z = integers, W = whole numbers, and I = irrational numbers. Name the set(s) of numbers to which belongs.
    A. R, Z B. R, I
    C. R, Q D. R, W
    Hint