A linear equation in two variables has infinitely many solutions. • The graph of every linear equation in two variables is a straight line. • The graph of x = a is a straight line parallel to ...

CBSE Class 9 Maths extra questions and answers for Chapter 4 - Linear Equations In Two Variables can are entirely based on the important concepts given in the NCERT book. Therefore these questions ...

NCERT Solutions for Class ... Linear Equations in Two Variables. This helps students to understand the application of concepts and how to approach different types of questions in the examination ...

an equation expressing a linear relationship can't consist of more than two variables, all of the variables in an equation must be to the first power, and the equation must graph as a straight line.