CBSE Class 9 Maths Extra Questions and Answers for Chapter 4 Linear Equations In Two Variables - Practice these important questions to obtain desired marks in exams in 2020-2021.

The graph of a pair of linear equations in two variables is represented by two lines. (i) If the lines intersect at a point, then that point gives the unique solution of the two equations.

Save guides, add subjects and pick up where you left off with your BBC account. Plot points with coordinates where \(x\) and \(y\) are equal. Three points are sufficient, but more can be plotted ...

Figure 2: In a linear regression relationship, ... is a linear function of a known function g(X), ... of newly observed data points would fall, ...

The point of intersection is (2, 3) which means \(x = 2\) and \(y = 3\). Solving linear and quadratic equations graphically - Higher Simultaneous equations that contain a quadratic and equation ...