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Pair of Linear Equations in Two Variables
Mathematics · CBSE Class 10 · English Medium · 20 questions and answers
Sample questions
- Q: What does the solution of a pair of linear equations represent graphically?
- A: The point(s) of intersection of the two lines.
- Q: Name the two algebraic methods used to solve a pair of linear equations in two variables.
- A: Substitution method and Elimination method.
- Q: A consistent system means what?
- A: It has at least one solution (either a unique solution or infinitely many).
- Q: An inconsistent system means what?
- A: It has no solution (the lines are parallel).
- Q: In the elimination method, what is the first goal?
- A: Make the coefficients of one variable equal (in magnitude) so it cancels on adding or subtracting.
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