Punjab State Board PSEB 9th Class Maths Book Solutions Chapter 3 Coordinate Geometry Ex 3.2 Textbook Exercise Questions and Answers.

## PSEB Solutions for Class 9 Maths Chapter 3 Coordinate Geometry Ex 3.2

Question 1.

Write the answer of each of the following questions:

(i) What is the name of horizontal and the vertical lines drawn to determine the position of any point in the Cartesian plane?

Answer:

The horizontal line and the vertical line drawn in the Cartesian plane to determine the position of any point are named as the x-axis and the y-axis respectively.

(ii) What is the name of each part of the plane formed by these two lines?

Answer:

These two lines (x-axis and y-axis) partition the Cartesian plane into four parts each of which is called a quadrant. They are named as Quadrant 1, Quadrant 2, Quadrant 3 and Quadrant 4.

(iii) Write the name of the point where these two lines intersect.

Answer:

These two lines (x-axis and y-axis) intersect at the point named as the Origin.

Question 2.

See the figure given below and write the following:

(i) The coordinates of B.

Answer:

(- 5, 2)

(ii) The coordinates of C.

Answer:

(5, – 5)

(iii) The point identified by the coordinates (-3, -5).

Answer:

E

(iv) The point identified by the coordinates (2, -4).

Answer:

G

(v) The abscissa of the point D.

Answer:

6

(vi) The ordinate of the point H.

Answer:

– 3

(vii) The coordinates of the point L.

Answer:

(0, 5)

(viii) The coordinates of the point M.

Answer:

(- 3, 0)