Equations of Lines

Equations of Lines - Equations of Lines

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Equations of Lines Equations involving one or two variables can be graphed on any  x–y  coordinate plane. In general, it  is true that  if a point lies on the graph of an equation, then its coordinates make the equation a  true statement, and if the coordinates of a point make an equation a true statement, then the point lies on  the graph of the equation. The graphs of linear equations are always lines. All linear equations can be written in the form 
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