ICSE /Class 9
Maths MCQ Based On Simultaneous linear equations in two variables
Our free online Maths test quiz for Class 9, ICSE will assist you to improve your Maths skills on every concept in a fun interactive way.
ICSE Class 9 Maths Simultaneous linear equations in two variables
Substitute x in the form of y or vice versa.
Let the no. of books with them be x & y, Form equations solve and get x + y.
For k = 6 equations have infinitely many solutions. For any k other than 6, equations have Non-zero solution.
Draw the graph.
Use elimination method.
Either add or subtract equations to get an equation in one variable.
Let digits be x & y. Form equations accordingly and solve.
Slope intercept form.
Add 2nd and 3rd equation; find x + y and put in 1st equation to find k.
One equation will have infinitely many values of y & x.
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