Pair of Linear Equations in Two Variables – Notes
Graphical Method of Solution
The general form of a pair of a linear equations in two variables x and y are:
a1x + b1y + c1 = 0 and a2x + b2y +c2 =0
a1, a2, b1, b2, c1, c2 are all real numbers and a12 + b12 ¹0 and a22 +b22 ¹ 0
Solving a pair of linear equation graphically:
- Frame the pair of linear equations based on the problem
- Find ordered pair (x, y) satisfying the equations
- Plot the pints obtained on the graph to find the solutions
Consistent solution: a pair of linear equations having unique or infinite solutions.
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CBSE Class 10th Maths 3 - Pair of Linear Equations in Two Variables - Notes
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