Google's latest animated Doodle celebrates the quadratic equation, transforming its homepage into an interactive classroom.

Practice solving a quadratic equation ahead of your National 5 Maths exam with this interactive maths quiz. Looking for more on solving a quadratic equation? Check out our National 5 Maths guide.

An equation of the form \(y = mx + c\) where \(m\) and \(c\) are numbers, gives a straight line when values of \(x\) and corresponding values of \(y\) are plotted on a grid. A straight line is a ...

In a [previous post](/dotphysics/2008/09/basics-making-graphs-with-kinematics-stuff-part-ii/), I talked about how to plot kinematics data with a spread sheet and how ...