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 (https://phet.colorado.edu)
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