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CBSE Class 10th Pair of Linear Equations in Two Variables - Plotting of Graphs

Dec 5, 2017 09:30 IST

In this video we will learn about the plotting of graphs for a pair of linear equations in two variables.

Two straight lines are obtained when we plot a pair of linear equations on the graph paper which gives rise to three conditions.

  • Three possibilities may occur on plotting the equations:
  1. The two lines intersect at a point
  2. The two lines do not intersect each other, i.e., they are parallel.
  3. The two lines are co-incident.
  • For plotting:
  1. Express y in terms of x.
  2. To introduce the integral values for x, thus solving for y.
  3. Thus, finding a common point for the two lines plotted called the solution of linear equation.
  • While taking values for x and y, care needs to be taken in choosing only the integral values. If we take decimal or fraction numbers, then plotting may pose hard problems.

CBSE Class 10th Linear Equations in Two Variables – An Introduction

CBSE Class 10th Pair of Linear Equations in two Variables – Consistent and Inconsistent Equations

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