Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsWhen Two Runners Meethttp://demonstrations.wolfram.com/WhenTwoRunnersMeet/]]>http://demonstrations.wolfram.com/WhenTwoRunnersMeet/Graphing Systems of Inequalitieshttp://demonstrations.wolfram.com/GraphingSystemsOfInequalities/]]>http://demonstrations.wolfram.com/GraphingSystemsOfInequalities/Two-by-Two Linear Systems Problem Generatorhttp://demonstrations.wolfram.com/TwoByTwoLinearSystemsProblemGenerator/]]>http://demonstrations.wolfram.com/TwoByTwoLinearSystemsProblemGenerator/Graphical Linear Programming for Two Variableshttp://demonstrations.wolfram.com/GraphicalLinearProgrammingForTwoVariables/]]>http://demonstrations.wolfram.com/GraphicalLinearProgrammingForTwoVariables/Intersecting Lines Using Slope-Intercept Formhttp://demonstrations.wolfram.com/IntersectingLinesUsingSlopeInterceptForm/]]>http://demonstrations.wolfram.com/IntersectingLinesUsingSlopeInterceptForm/Finding a Pattern (Linear Equations)http://demonstrations.wolfram.com/FindingAPatternLinearEquations/]]>http://demonstrations.wolfram.com/FindingAPatternLinearEquations/A Simple, Standard Linear Programming Scenariohttp://demonstrations.wolfram.com/ASimpleStandardLinearProgrammingScenario/]]>http://demonstrations.wolfram.com/ASimpleStandardLinearProgrammingScenario/Two Points Determine a Linehttp://demonstrations.wolfram.com/TwoPointsDetermineALine/]]>http://demonstrations.wolfram.com/TwoPointsDetermineALine/Lines: Point-Slopehttp://demonstrations.wolfram.com/LinesPointSlope/]]>http://demonstrations.wolfram.com/LinesPointSlope/Lines: Slope-Intercepthttp://demonstrations.wolfram.com/LinesSlopeIntercept/]]>http://demonstrations.wolfram.com/LinesSlopeIntercept/Lines: Two Pointshttp://demonstrations.wolfram.com/LinesTwoPoints/]]>http://demonstrations.wolfram.com/LinesTwoPoints/