Class-9 Maths Chapter 4 Exercise 4.2 Solutions. Class-9 New NCERT Book Maths ch4

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Jul 12, 2026

Exercise 4.2 of Chapter 4, Linear Equations in Two Variables, helps students understand the concept of solutions of linear equations. In this exercise, we learn that a linear equation in two variables has infinitely many solutions. By choosing different values for one variable, we can find the corresponding values of the other variable and form ordered pairs. These pairs satisfy the given equation. The exercise also teaches us how to verify whether a given pair of values is a solution to a linear equation. This chapter develops logical thinking and strengthens our understanding of algebra. It also lays the foundation for graphing linear equations in later exercises. The concepts learned in this exercise are useful in solving practical problems involving relationships between two quantities, such as cost, distance, and time. Regular practice of these questions improves problem-solving skills, accuracy, and confidence in Mathematics.