Unformatted text preview: Divide the difference in y by the difference in x The answer is the gradient of the line - the m value in the equation y = mx + c Once you've got the gradient, you can then check to see if the lines are parallel/perpendicular with the rules above....
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This note was uploaded on 06/27/2010 for the course IT mat116 taught by Professor Banta during the Spring '10 term at A.T. Still University.
- Spring '10