Q1 of 26 Page 60

Show the solution set of the following in equations by graphical method:

x ≥ 2

To find the solution set for x ≥ 2 graphically, we first draw x = 2 which is a line parallel to y – axis (as seen from the graph). x>2 is represented as a shaded region on the right of x = 2, including all the points lying on the line x = 2.



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3

Solve the following pairs of linear equations by graphical method and also find the coordinates of these points where the lines represented by these intersect the y – axis.

3x + 2y = 12; 5x – 2y = 4

 4

Solve the following pairs of linear equations by graphical method and find the coordinates of the vertices of the triangle formed by lines represented by the triangle formed by lines represented by the pair and the y – axis.

4x – 5y = 20; 3x + 5y = 15

 1

Show the solution set of the following in equations by graphical method:

y ≤ –3

 1

Show the solution set of the following in equations by graphical method:

x – 2y < 0