Class 9 | Chapter 4 | Linear Equations in Two Variables | Exercise 4.2 | Question 3 & 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.

In this video, linear Equations, variables, constants are explained in detail with example and demonstration by plotting solutions on graph. This video is intended for class 9 and class 10 students. 

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