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Graphing Quadratics



This manipulative provides opportunities to:

  • Visualize the effect that changing coefficients has on the graph of a quadratic function

  • Investigate the vertex, axis of symmetry, roots, and directrix

  • Explore the relationship between the focus and directrix

PhET also provides translated versions of the simulation in multiple languages, teacher created activities, and with a free account you can access their teaching resources.

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Simulation by PhET Interactive Simulations, University of Colorado Boulder, licensed under CC-BY-4.0 (

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