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Thread: Math Problem

  1. #1
    cpt_azad's Avatar Colonel
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    don't call me a n00b (i was never good at math). but it seems that i have no idea or recollection of this type of question:

    |-6| or |2-4| and even |1/2-3/4| . wtf are these | line things there for (no they are not brackets, just straight lines)? please help me out! i just need to know what the answer is and how to solve the question/problem (solution, formula, etc.). from what i can assertain, it's some sort of LCM type problem (lowest common multiple?). so please, help a dumass out

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  2. Lounge   -   #2
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    To me, it's Math.abs(int).

    To you, it's absolute value, which strips any negativity from the number. Absolute value gets evaluated only after everything inside it already is.

  3. Lounge   -   #3
    kAb's Avatar Poster
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    they are absolute value. it means basically always positive
    |x| cannot equal -6

    but |x| can equal 6

    the absolute value of |2-4| is 2 because it must be positive.

  4. Lounge   -   #4
    cpt_azad's Avatar Colonel
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    so |2| would equal -2?

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  5. Lounge   -   #5
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    Originally posted by cpt_azad@8 February 2004 - 02:56
    so |2| would equal -2?
    no, |-2| = 2
    On a given day or given circumstance, you think you have a limit.
    And you then go for this limit and you touch this limit and you think "Ok, this is the limit".
    As soon as you touch this limit, something happens and you suddenly can go a little bit further.
    With your mind power, your determination, your instinct and the experience as well, you can fly very high.

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  6. Lounge   -   #6
    cpt_azad's Avatar Colonel
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    wait, here:

    - |-2/3| would equal 2/3?
    - |-1|+|3| ??
    - |5|-|-2| ??
    - |-3|-|-4| ??
    - |1.2-1.5| would equal 1.2?
    - |4| ??
    - |1/2-3/4| would equal 1/2??
    - |-6| would equal 6??

    also, how do graph these kind of numbers on number lines? do you treat them as normal numbers and substitute negative ones for postivies?:

    how would you graph the following on ONE number line:

    |-1| |2| |square root of 5| |square root of -3| (last i heard, you can't square root negative numbers, right?) i'm so confused, thanks for the help kAB, i kinda (kinda as in 3%) understand it now, i think.

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  7. Lounge   -   #7
    cpt_azad's Avatar Colonel
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    Originally posted by 4th gen+7 February 2004 - 19:57--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (4th gen @ 7 February 2004 - 19:57)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-cpt_azad@8 February 2004 - 02:56
    so |2| would equal -2?
    no, |-2| = 2 [/b][/quote]
    so what would |2| be? 2?

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  8. Lounge   -   #8
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    Originally posted by cpt_azad@7 February 2004 - 23:01
    wait, here:

    - |-2/3| would equal 2/3?
    - |-1|+|3| ??
    - |5|-|-2| ??
    - |-3|-|-4| ??
    - |1.2-1.5| would equal 1.2?
    - |4| ??
    - |1/2-3/4| would equal 1/2??
    - |-6| would equal 6??

    also, how do graph these kind of numbers on number lines? do you treat them as normal numbers and substitute negative ones for postivies?:

    how would you graph the following on ONE number line:

    |-1| |2| |square root of 5| |square root of -3| (last i heard, you can&#39;t square root negative numbers, right?) i&#39;m so confused, thanks for the help kAB, i kinda (kinda as in 3%) understand it now, i think.
    Just evaluate whatever&#39;s inside the lines and make it positive.

    So your answers would be:
    • 0.6 &reg;
    • 4
    • 3
    • -1
    • 0.3
    • 4
    • 0.25
    • 6
    All of the following are inclusive:
    • 1
    • 2
    • sqrt(5)
    • 3i
    Square roots of negative numbers are represented on the imaginary plane, not the Cartesian plane.

  9. Lounge   -   #9
    cpt_azad's Avatar Colonel
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    bumP?

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  10. Lounge   -   #10
    cpt_azad's Avatar Colonel
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    Originally posted by haxor41789+7 February 2004 - 20:08--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (haxor41789 @ 7 February 2004 - 20:08)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-cpt_azad@7 February 2004 - 23:01
    wait, here:

    -&nbsp; |-2/3| would equal 2/3?
    -&nbsp; |-1|+|3| ??
    -&nbsp; |5|-|-2| ??
    -&nbsp; |-3|-|-4| ??
    -&nbsp; |1.2-1.5| would equal 1.2?
    -&nbsp; |4| ??
    -&nbsp; |1/2-3/4| would equal 1/2??
    -&nbsp; |-6| would equal 6??

    also, how do graph these kind of numbers on number lines? do you treat them as normal numbers and substitute negative ones for postivies?:

    how would you graph the following on ONE number line:

    |-1|&nbsp; |2|&nbsp; |square root of 5|&nbsp; |square root of -3| (last i heard, you can&#39;t square root negative numbers, right?)&nbsp; i&#39;m so confused, thanks for the help kAB, i kinda (kinda as in 3%) understand it now, i think.
    Just evaluate whatever&#39;s inside the lines and make it positive.

    So your answers would be:
    • 0.6
    • 4
    • 3
    • -1
    • 0.3
    • 4
    • 0.25
    • 6
    All of the following are inclusive:
    • 1
    • 2
    • sqrt(5)
    • 3i
    Square roots of negative numbers are represented on the imaginary plane, not the Cartesian plane. [/b][/quote]
    thanks man&#33; really needed that&#33; i think i get it now (negative square roots being irrational)

    Jeff Loomis: He's so good, he doesn't need to be dead to have a tribute.

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