CBSE /Class 10
Maths MCQ Based On Graphical method of solution of a pair of linear equation
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CBSE Class 10 Maths Graphical method of solution of a pair of linear equation
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See what could be the condition for a given system of linear equation to be inconsistent .
For dependent pairs,
Check for the deteminant
Check the ratio of the coefficients of linear equations ,for checking out consistency find the given pair of linear equations by graphical method.
For infinite solutions,\\(\\frac{a_{1}}{a_{2}}=\\frac{b_{1}}{b_{2}}=\\frac{c_{1}}{c_{2}}\\)
\\(\\frac{4}{11k-3}=\\frac{-(3k+2)}{-10}=\\frac{-20}{-40}\\) => \\(k=1\\)
3x + 15y = 300
x + 5y = 100
x y
0 40
100 0
20 16
x + 15y = 150
x y
0 10
60 6
75 5
The solution for the given equations is (75, 5).
Let the number of days taken by 1 boy is 'x' and 1 girl be 'y'
Solve and to find x.
consistent & inconsistent solution
Recall consistent and inconsistent systems of linear equations
Recall consistent and inconsistent systems of linear equations
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