SOLUTION: in an equation,what is the purpose of a vertical line ( | ) ? Thank you for your help

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Question 1108117: in an equation,what is the purpose of a vertical line ( | ) ?
Thank you for your help
Answer by Alan3354(69443) About Me  (Show Source):
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in an equation,what is the purpose of a vertical line ( | ) ?
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Pairs of |..| are used for absolute values.
eg, |x - 2| is the absolute value of x-2.