Quadratic equations are basic to algebra and are the math ... meaning the method worked. Notice these values are also the places at which the graph of the standard form of the equation (y ...

Completing quadratic graphs Solving equations with quadratic graphs Before reading this guide, it may be helpful to read the guide from M3 on coordinates and graphs .

Solve quadratic equations by factorising, using formulae and completing the square. Each method also provides information about the corresponding quadratic graph. Part of Maths Algebra ...