A quadratic function can be drawn as a parabola on a graph. Find out how to plot the graph in this Bitesize KS3 maths video.

There’s seemingly no end to how many things you can describe with a quadratic equation. Babylonians, in particular, would solve simultaneous equations to find the roots of a quadratic.

The quadratic equation has frustrated math students for millenniums. But a math professor at Carnegie Mellon University in Pittsburgh may have come up with a better way of solving it.