I'm kind of stuck on some problems with a variable that looks like this |x|

Can someone tell me what those two lines are for? Thanks (Thinking)

Printable View

- Oct 20th 2009, 05:18 PMJubblyQuick question
I'm kind of stuck on some problems with a variable that looks like this |x|

Can someone tell me what those two lines are for? Thanks (Thinking) - Oct 20th 2009, 05:20 PMmr fantastic