# NCERT Class 9 Solutions: Linear Equation in Two Variables (Chapter 4) Exercise 4.4 – Part 1

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Q-1 Give the geometric representation of as an equation

1. In one variable

2. In two variables

Solution:

1. In one variable

• The given equation is

• In one variable

• The representation of on the number line is shown below:

2. In two variables

therefore

It is linear equation in two variable and . This is represented by a line. All the value of are permissible because is always .However, must satisfy the relation .hence,two solutions of the given equation are s

Thus the graph AB is a line parallel to the x-axis at a distance of units above it.

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