##### Linear Equations in Two Variables – Notes

**Introduction to Linear Equations in Two Variables**

** **A linear equation in two variables is of the form ax + by + c = 0

Where a, b, c are real numbers and a 0, b 0.

An ordered pair (x, y) can be considered as solution if it satisfies the equation.

**Graphical Representation of Linear Equations in Two Variables**

** **A linear equation in two variables is represented as a line on the Cartesian plane

A minimum of two points (two ordered pairs) are needed to plot a graph of a linear equation in two variables

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CBSE Class 9th Maths 4 - Linear Equations in Two Variables - Notes

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