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 ...

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

Get CBSE Class 9th Maths MCQs on Chapter 4 Linear Equations in Two Variables. All these MCQs are important for Class 9 Term 1 Exam 2021-22.

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 ...