The Fourth Chapter of CBSE Class 9 Maths “Linear Equations in Two Variables”
Concepts Solved Examples Example 1: Plotting the Graph Problem: Plot the graph of 3x+2y=63x + 2y = 6. Solution:Rewrite as y=−32x+3y = \frac{-3}{2}x + 3.Find solutions by substituting values of xx: xx yy 00 62=3\frac{6}{2} = 3 22 −3(2)2+3=0\frac{-3(2)}{2} + 3 = 0 44 −3(4)2+3=−3\frac{-3(4)}{2} + 3 = -3 Plot points (0,3)(0, 3), (2,0)(2, 0), … Read more