Ncert Solutions For Class 9 Maths Ex 3.3

Ncert Solutions For Class 9 Maths Chapter 3 Ex 3.3


Q1. Represent the following points (3,1),(2,4),(1,2),(1,0)and(3,5) on a Cartesian plane and also tell in which quadrant do they lie? Give reason for your answer.

Solution:

10

(2,4)Secondquadrant
(3,1)Fourthquadrant
(1,0)Secondquadrant
(1,2)Firstquadrant
(3,5)Thirdquadrant

 

Q2. Plot the points (x,y) given in the following table on the plane, choosing suitable units of distance on the axes and also tell in which quadrant or axis does it lies.

      x          -2                -1                0                1                    3         
      Y       8         7     -1.25         3         -1

Solution:

Points (x,y) on the plane.

Here, let  1unit = 1 cm

11

(2,8)Secondquadrant (1,7)Secondquadrant (0,1.25)Fourthquadrant (1,3)Firstquadrant (3,1)Fourthquadrant
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