CLASS 9 MATH NCERT SOLUTION FOR CHAPTER – 3 COORDINATE GEOMETRY EX – 3.2

Coordinate Geometry

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) The horizontal line: x – axis and the vertical line: y – axis.

(ii) Each part is called “Quadrant”.

(iii) Origin

Question 2
See the given figure and write the following:

(i) The coordinates of B.

(ii) The coordinates of C.

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

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

(v) The abscissa of the point D.

(vi) The ordinate of the point H.

(vii) The coordinates of the point L.

(viii) The coordinates of the point M.

NCERT Solutions for Class 9 Maths Chapter 3 Coordinate Geometry Ex 3.2 Q2

Solution:

From the figure, we have

(i) The coordinates of B are (-5,2).

(ii) The coordinates of C are (5, -5).

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

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

(v) The abscissa of the point D is 6.

(vi) The ordinate of the point H is -3.

(vii) The coordinates of the point L are (0,5). (viii) The coordinates of the point M are (-3,0).

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