Step 5 – Plot a graph using the values you have found. It should go from – 2 to 2 on the x axis, and from 0 to 4 on the y axis. Step 6 – Plot the points from your table on the graph.

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.