Free, interactive, online graphing calculator from GeoGebra: graph functions, plot data, drag sliders, and more!

Quadratic functions - Determine a quadratic function from its roots. Enter the roots and an additional point on the graph. - Calculate a function

The graph is a parabola.

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Math is a way of solving problems by using numbers and equations.

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Doing homework can help you learn and understand the material covered in class.