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aminita Group Title

If A = {positive integers} and B = {…,−4, −3, −2, −1} what is A ∩ B?

  • one year ago
  • one year ago

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  1. stgreen Group Title
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    empty set

    • one year ago
  2. hartnn Group Title
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    ∩ means elements which are "common" to those sets.

    • one year ago
  3. hartnn Group Title
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    which elements are common to A and B ?

    • one year ago
  4. inkyvoyd Group Title
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    ∩ is called the intersection. Think of it as the center of a venn diagram.

    • one year ago
  5. aminita Group Title
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    the options they give me are... { } {…, −3, −2, −1, 1, 2, 3, …} {1, 2, 3, 4, …} {…−3, −2, −1}

    • one year ago
  6. inkyvoyd Group Title
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    Look at what hartnn and I have said. What do you think the answer is?

    • one year ago
  7. stgreen Group Title
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    @aminita first one is true....since there is nothing common between these two sets you see

    • one year ago
  8. aminita Group Title
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    yes that is the answer choice i picked but it said it was wrong...

    • one year ago
  9. aminita Group Title
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    there are no common integers that will fit within bity of these sets that is why i picked it but my teacher marked it wrong :/

    • one year ago
  10. inkyvoyd Group Title
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    take a screenshot of the problem and contact your teacher.

    • one year ago
  11. stgreen Group Title
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    yeah your teacher is just violating the very basic concept of sets

    • one year ago
  12. aminita Group Title
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    okay thank you all for your help peeps!;)

    • one year ago
  13. stgreen Group Title
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    welcom kid

    • one year ago
  14. aminita Group Title
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    (y)

    • one year ago
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