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Titik Puncak Parabola

This sketch is a simple look at the vertex form of a quadratic function. The sliders control the paramenters. 1) Play with the controls, and describe what a, h and k control about the function. 2) See it you can predict the vertex, the y-intercept or the x-intercepts for your function. 3) Try entering a standard form in the input bar and see if you can match the vertex form.
Posted at the GVSU GeoGebra Site: