Such functions are called linear, for reasons that I'll explain soon enough (well, we generally want another condition for linear functions involving scalar multiples of the variable, but I'll ...

It only makes sense. I did linear regression in google docs and I did it for python. But what if you neither of those? Can you do it by hand? Why yes. Suppose I take the same data from the pylab ...

GCSE OCR Solving linear equations - OCR Function machines Forming, using and solving equations are skills needed in many different situations.

Learn about and revise how to solve equations using the balance method with this BBC Bitesize GCSE Maths Eduqas study guide.