In this video series, I show you how to solve a system of equations by graphing. When solving a system of equations by ...

Geometric intersection graphs form an intriguing class of structures in which vertices represent geometric objects – such as line segments, discs, or curves – and an edge is established between two ...

Circles and graphs Test questions The equation of a circle can be found using the centre and radius. The discriminant can determine the nature of intersections between two circles or a circle and a ...

A function is a rule that is applied to one set of values to give another set of values. A function can be illustrated on a graph – points are plotted as coordinates and joined by either a straight ...