What Is the Meaning of a Vertical Line in Pre-Algebra?

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What Is the Meaning of a Vertical Line in Pre-Algebra?. Part of the series: Basic Algebra. A vertical line means a very specific thing in the world of algebra. Find out about the meaning of a vertical line in pre-algebra with help from a mathematics educator in this free video clip. Read more: http://www.ehow.com/video_12219702_meaning-vertical-line-prealgebra.html

Channel:  eHowEducation
Topics:  Knowledge