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

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

PSEB 9th Class Maths Solutions 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)

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