Pamela J. Wells, Understanding Linear Functions and Their Representations, Mathematics Teaching in the Middle School, Vol. 21, No. 5 (December 2015/January 2016), pp. 308-316 ...

Check CBSE Class 10 Maths Mind Map for Chapter 3 Pair of Linear Equations in Two Variables here. This mind map is based on revised/reduced CBSE syllabus. Download Class 10 maths chapter 3 mind in PDF.

A linear relationship (or linear association) is a statistical term used to describe the directly proportional relationship between a variable and a constant.

We suggest reducing the design matrix to row echelon form as a means of finding the structure of all estimable functions. We illustrate the procedure with two examples.