**KSEEB Solutions for Class 9 Maths Chapter 9 Coordinate Geometry Ex 9.2** are part of KSEEB Solutions for Class 9 Maths. Here we have given Karnataka Board Class 9 Maths Chapter 9 Coordinate Geometry Exercise 9.2.

## Karnataka Board Class 9 Maths Chapter 9 Coordinate Geometry Ex 9.2

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 ?

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

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

Solution:

(i) In a Cartesian plane, to determine the position of any point, the horizontal line is called the x-axis. A vertical line is y-

The y-coordinate is also called the ordinate.

Horizontal line → xOx’

Vertical line → yOy’

(ii) The name of each part of the plane formed by these two lines is called Quadrant.

I Quadrant → xOy

II Quadrant → yOx’

III Quadrant → x’Oy’

IV Quadrant → y’Ox

(iii) The name of the point where these two lines intersect is called the origin. Coordinates of origin are (0. 0).

Question 2.

See Fig.9.14, and write the following:

Solution:

- The coordinates of B : (-5, +2)
- The coordinates of C. : (+5, -5)
- The point identified by the coordinates (-3, -5) : E.
- The point identified by the coordinates (2, -4) : G.
- The abscissa of the point D : 6
- The ordinate of the point H: -3
- The coordinates of the point L : (0, +5)
- The coordinates of the point M : (-3, 0).

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