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 ...

Revise how to create and solve simultaneous equations, including the use of graphs to produce solutions with this BBC Bitesize GCSE Maths Eduqas guide.