Any equation which can be put in the form ax by c 0 where a b and c are real numbers and a and b are not both zero is called a linear equation in two variables. Linear Equations for Two Variables Class 9 Extra Questions Short Answer Type 2 Question 1. Linear Equation in Two Variables An equation which can be put in the form ax by c 0.
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A A unique solution. C Infinitely many. But x y 1 is a linear equation as power of x and y is 1. The general form of a linear equation in two variables x and y is ax by c 0 where a b c are real numbers and a 0 b 0.