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Cookie_2046

  • one year ago

what is | | in math?

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  1. anonymous
    • one year ago
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    | | denotes the absolute value of a quantity or function

  2. anonymous
    • one year ago
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    its the absoulte sign so if you have |-5| the answer is 5

  3. anonymous
    • one year ago
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    so if I have |-5|=5 because the magnitude of the quantity is 5 and the minus sign (or lack thereof) just tells us whether we are to the left or right of 0 respectively

  4. anonymous
    • one year ago
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    Haha nice @shay16 picked the same number :D

  5. anonymous
    • one year ago
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    haha

  6. anonymous
    • one year ago
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    Also if we are talking about a function... perhaps we are only interested in the magnitude of the result given an input.... so the graph of f(x) may be a curve that goes above and below the x axis but the graph of |f(x)| is strictly above the x-axis (or on it as in =0) at all times.

  7. Cookie_2046
    • one year ago
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    thanks

  8. anonymous
    • one year ago
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    No problem :D

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