Learn how to read and plot quadratic graphs with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Graphs of quadratic functions can be used to solve equations. Example Draw the graph of y = 2 x 2 + 2 x 4 for values of –3 to 2. Use the graph to solve the equation y = 2 x 2 + 2 x 4. Solution ...