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CBSE /Class 10
Maths MCQ Based On Graphical method of solution of a pair of linear equation
Our free online Maths test quiz for Class 10, CBSE will assist you to improve your Maths skills on every concept in a fun interactive way.
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CBSE Class 10 Maths Graphical method of solution of a pair of linear equation
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consistent & inconsistent solution
Compare the ratios of coefficients of x, y and constant term.
Because both the lines are parallel to y-axis.
Solve both the equations together.
Recall consistent and inconsistent systems of linear equations
Check the determinant of the linear equations is not equal to zero
Take number of 25 paise coins as x and that of 50 paise coins as y .Use the given information to make equations for x and y .Â
16y = 4x + 12
4y = x + 3
x y
1 1
5 2
9 3
3x – 12y = - 9
x y
-3 0
1 1
0 0.75
As both the lines are overlapping each other, hence these equations have infinitely many solutions.
Check the ratio of the coefficients of linear equations ,for checking out consistency find the given pair of linear equations by graphical method.
The graph of equations will be parallel lines. So the equations have no solution.
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