The straight line through two points will have an equation in the form \(y = mx + c\). We can find the value of \(m\), the gradient of the line, by forming a right-angled triangle using the ...

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

Microsoft Excel can generate trend lines based on data you provide, and in doing do, calculates the equation of the trend line. This equation can be accessed using Excel's built-in Visual Basic tools.

The line of best fit is an output of regression analysis that represents the relationship between two or more variables in a dataset.