NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Exercise 15.2

Ex. 1 Define the coordinates of a point.

Soln: Coordinates are the values of the X-axis and Y-axis corresponding to a point which indicates the position of that point.

Ex. 2 Study the following figure and answer the questions given below:

1. State the coordinates of point B.
2. Determine the point with coordinates (2,-3).
3. State the coordinates of point D?
4. Name the point(s) that lie in the first quadrant?

Soln: 

1. Coordinates of point B are (3,6).
2. Point E has coordinates (2,-3).
3. Coordinates of point D are (-3, -2).
4. Points A & B lie in the first quadrant.