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 how to plot coordinates and create straight line graphs to show the relationship between two variables. Also, plot graphs that contain a negative coefficient of x.

Find out how to interpret stocks and portfolios through a security market line, or SML, graph as part of the Capital Asset Pricing Model, or CAPM.

Some years ago, while working on the determination of the grain-size of rocks, I derived two formulæ and discovered two theorems related to the average linear intercepts.