Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsComplex Zeros of Quadratic Functionshttp://demonstrations.wolfram.com/ComplexZerosOfQuadraticFunctions/]]>http://demonstrations.wolfram.com/ComplexZerosOfQuadraticFunctions/Solve Quadratic Equations with Integer Coefficientshttp://demonstrations.wolfram.com/SolveQuadraticEquationsWithIntegerCoefficients/]]>http://demonstrations.wolfram.com/SolveQuadraticEquationsWithIntegerCoefficients/Identifying Trinomials That Are Perfect Squareshttp://demonstrations.wolfram.com/IdentifyingTrinomialsThatArePerfectSquares/]]>http://demonstrations.wolfram.com/IdentifyingTrinomialsThatArePerfectSquares/Solution of Quadratic Equationshttp://demonstrations.wolfram.com/SolutionOfQuadraticEquations/]]>http://demonstrations.wolfram.com/SolutionOfQuadraticEquations/Polynomial Roots in the Complex Planehttp://demonstrations.wolfram.com/PolynomialRootsInTheComplexPlane/]]>http://demonstrations.wolfram.com/PolynomialRootsInTheComplexPlane/Algebra Quizhttp://demonstrations.wolfram.com/AlgebraQuiz/]]>http://demonstrations.wolfram.com/AlgebraQuiz/