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.

How to draw the graphs 𝒚 = 𝒙² and 𝒚 = -𝒙² There are no straight-line segments on a quadratic graph. The coordinates (x, y) are plotted and joined by drawing a freehand curve.