Learn and revise how to plot coordinates and create straight line graphs to show the relationship between two variables with GCSE Bitesize AQA Maths.

Learn and revise how to plot coordinates and create straight line graphs to show the relationship between two variables with GCSE Bitesize OCR Maths.

So x + 4 is an expression describing a straight line, but (x + 4)² is a curve ... Loh is right that this will smooth students’s understanding of how quadratic equations work and how they fit into math ...