Mathematics

7th

grade

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Complement and Universal Set

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12 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt
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    What is the complement of A union B ?

    {12, 14, 15, 18, 21}

    {10, 11, 12, 14, 15, 18, 21}

    {10, 11, 13, 16, 17, 19, 20}

    {12, 14, 15}

  • 2. Multiple Choice
    2 minutes
    1 pt
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    What is the set that represents A' U B'?

    {10, 11,12,13, 14, 15, 17,18, 19 20}

    {10, 11, 12, 14, 15, 18, 21}

    {10, 11, 13, 16, 17, 19, 20}

    {12, 14, 15}

  • 3. Multiple Choice
    2 minutes
    1 pt

    The Universal Set U= { -4, -3, -2, -1, 0, 1, 2, 3 ,4} and A = {0}.

    What is the complement of A?

    {-4, -3, -2, -1, 0, 1, 2, 3}

    {-3, -2, -1, 1, 2, 3}

    {-4, -3, -2, -1, 1, 2, 3, 4}

    {-4, -3, -2, -1, 1, 2, 3}

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