Quadratic: Compare Vertex to Standard Forms
The vertex form of the quadratic equation is f(x) = a(x - h)² + k and the standard form is f(x) = a x² + b x + c.
Adjust the sliders a, h, and k to create the quadratic equation that you wish to explore. The vertex is at (h, k). Select check box to set the vertex
Select check box to see roots or points of intersection of the graph and the x-axis. Another check box will show how to use the quadratic formula to solve for the roots of the equation.