A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation.

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.

A graph is a useful tool for visually representing data and making it easy to understand. Whether you’re working on a school project, preparing a presentation, or analyzing data for work, knowing how ...