Mathematics

9th -

10thgrade

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set theory

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15 questions

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  • Multiple Choice
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    1 minute
    1 pt
    What type of set is denoted as either { } or ∅?
    Universal Set
    Empty (or Null) Set
    Disjointed Set
    Complement of a Set
  • Multiple Choice
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    2 minutes
    1 pt
    Left Pocket (L) = {pencils, erasers, pens}
    Right Pocket (R) = {gloves, paper, coins, phone}
    What is L ∪ R?
    {pencils, erasers, pens}
    {gloves, paper, coins, phone}
    {pencils, erasers, pens, gloves, paper, coins, phone}
  • Multiple Choice
    Please save your changes before editing any questions.
    2 minutes
    1 pt
    Left Pocket (L) = {pencils, erasers, pens}
    Right Pocket (R) = {gloves, paper, coins, phone}
    What is L ∩ R?
    {pencils, erasers, pens}
    {gloves, paper, coins, phone}
    {pencils, erasers, pens, gloves, paper, coins, phone}
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