Using graphs is a visual method to solve quadratic equations. By sketching the parabolic function representing the equation on a graph, you can identify where it crosses the x-axis, indicating its ...

Revise solving quadratic equations for your maths GCSE foundation and higher exams with Bitesize interactive practice quizzes covering feedback and common errors.

Simultaneous equations can be solved algebraically or graphically. Knowledge of plotting linear and quadratic graphs is needed to solve equations graphically.