Class 9 Mathematics — Chapter 4: Linear Equations in Two Variables
90 practice questions · 30 Easy · 30 Medium · 30 Hard
Free NCERT-aligned multiple-choice practice for Class 9 Mathematics, Chapter 4 (Linear Equations in Two Variables). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 90.
Sample questions
Is (2, 3) a solution of 2x + 3y = 13?
2(2)+3(3)=4+9=13 ✓. So (2,3) satisfies the equation.
Write three solutions of x + 2y = 6. Which set is correct?
Check: 0+6=6✓, 6+0=6✓, 2+4=6✓. Set (0,3),(6,0),(2,2) all work.
The line 2x + 3y = 12 meets the x-axis at A and the y-axis at B. Find the area of triangle OAB.
x-intercept: A=(6,0). y-intercept: B=(0,4). Area=½×OA×OB=½×6×4=12 sq units.
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