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December 22, 2014

December 22, 2014

Posted by **noahc** on Sunday, February 24, 2013 at 4:46pm.

- math -
**Steve**, Sunday, February 24, 2013 at 4:51pm|x| is the absolute value function. It measures how far from zero x is, whether positive or negative.

|x| = x if x >= 0

That is, if x is not negative, |x| is just haw far away x is.

|x| = -x if x<0

So, if x is a negative value, |x| is still positive

Similarly, |x-10| is how far away from 10 x is.

So, |100| = 100

|-3| = 3

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