Quadratic equations are basic to algebra and are the math behind parabolas, projectiles, satellite dishes and the golden ratio.

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.

Revise how to recognise and determine the equation of a quadratic function from its graph with our guide. Back to top. More on Quizzes - National 5 Maths. Find out more by working through a topic.