Revise how to recognise and determine the equation of a quadratic function from its graph. BBC Bitesize Scotland revision for SQA National 5 Maths.

Unlike a linear, graph, a quadratic graph has an equation which includes an x squared term.

As you can see from the picture above, you can compute both linear and quadratic equations in the calculator. This calculator allows you to plot multiple equations on a single graph, which can ...

A good description of Least Squares Fit to Quadratic Data Part of a least squares fit involves solving three equations with three unknowns. Here is a description of using Excel's Solver to do this ...