Number systems and sets of numbers

Number systems and sets of numbers Quiz

IB MYP Maths Extended: Quiz

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5 questions, one answer each

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  1. 1. Which number is irrational?

    • A. 81\sqrt{81}
    • B. 227\frac{22}{7}
    • C. 10\sqrt{10}
    • D. 0.6˙0.\dot{6}

  2. 2. Which set contains −4-4 but not 12\frac12?

    • A. Z\mathbb{Z}
    • B. N\mathbb{N}
    • C. Q\mathbb{Q}
    • D. R\mathbb{R}

  3. 3. P={1,3,5,7}P=\{1,3,5,7\} and Q={3,4,5,6}Q=\{3,4,5,6\}. Find P∩QP\cap Q.

    • A. {1,3,4,5,6,7}\{1,3,4,5,6,7\}
    • B. {3}\{3\}
    • C. {3,5}\{3,5\}
    • D. {4,6}\{4,6\}

  4. 4. On a number line, which describes x≥−1x\ge-1?

    • A. open circle at −1-1, line to the left
    • B. closed circle at −1-1, line to the right
    • C. closed circle at −1-1, line to the left
    • D. open circle at −1-1, line to the right

  5. 5. Write 0.60.6 as a fraction in simplest form.

    • A. 6100\frac{6}{100}
    • B. 16\frac{1}{6}
    • C. 61\frac{6}{1}
    • D. 35\frac{3}{5}

Quiz