NCERT class 9 maths chapter 4 Linear Equations in Two Variables
Question 1:Which one of the following options is true, and why? y = 3x + 5 has (i) a unique solution, (ii) only two solutions, (iii) infinitely many solutions
Exercise 4.2 maths class 9 Chapter 4 Linear Equations in Two Variables
Question 2:Write four solutions for each of the following equations: (i) 2x + y = 7 (ii) x + y = 9 (iii) x = 4y
CBSE class 9 maths ncert solutions Chapter 4
Question 3:Check which of the following are solutions of the equation x – 2y = 4 and which are not: (i) (0, 2) (ii) (2, 0) (iii) (4, 0) (iv) ( 2 , 4 2) (v) (1, 1)
Question 4:Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k.