Posted by Jmiah on October 04, 2002 at 15:18:05:
In Reply to: Re: Absolute numbers? posted by Joel on October 04, 2002 at 11:53:21:
: : Sorry, but I forgot everything aboute absolute numbers over the summer. Please explain.
: Given any real number n:
: if n > 0, |n| = n
: if n < 0, |n| = -n
: As you already realized, a double negative is a positive, so in plain English this means that |n| is always positive.
: For example, if n = 5, |n| = |5| = 5
: if n = -5, |n| = |-5| = -(-5) = 5
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