Draw the graph of \(y = 3x - 1\). If you recognise this as a straight line then just choose two ‘easy’ values of \(x\), work out the corresponding values of \(y\) and plot those points. When \(x = 0\) ...

Bar Chart . In an Excel bar chart, each data point is represented by a rectangular, horizontal bar. The length of each bar is ...

Learn and revise how to solve quadratic equations by factorising, completing the square and using the quadratic formula with Bitesize GCSE Maths Edexcel.