Before reading this guide, you may find it helpful to read the guide on graphs from Module 7 (M7 ... The graph of \(y = 2x^{2} + x – 6\) is shown below. By drawing a suitable straight line ...

A straight line is a linear graph. A quadratic graph has an equation which includes an \(x^{2}\) term. Examples of equations that form quadratic graphs: \(y = x^{2}\) \(y = 3x^{2} + 2x – 5\) \(y ...