NCERT Class 9 Solutions: Coordinate Geometry (Chapter 3) Exercise 3.3 – Part 1

Doorsteptutor material for NSTSE Class-8 is prepared by world's top subject experts: fully solved questions with step-by-step explanation- practice your way to success.

Q-1 In which quadrant or on which axis do each of the pointlie? Verify your answer by locating them on the Cartesian plane.

Solution:

Give quardrant or on axis ofthe point of (1,2) as a 1 st qua …

Give Quardrant or on Axis

Loading Image

Understanding of quadrant Cartesian plane.

Cartesian plane with quadrants and signs of x and y coordina …

Signs of X and Y Coordinates in Each Quadrant

Loading Image
  1. → Second quadrant (-coordinatre is negative & -coordinate is positive)

  2. → Fourth quadrant (-coordinatre is positive & -coordinate is negative)

  3. → Second quadrant (-coordinatre is negative & -coordinate is positive)

  4. → First quadrant (-coordinate & -coordinate are both positive)

  5. → Third quadrant (-coordinatre &-coordinate are both negative)

Q-2 Plot the points given in the following table on the plane, choosing suitable units of distance on the axes.

Give different point of (x,y) like x value is (-2,-1,0,1,3) …

Give Different Point of (X,Y)

Loading Image

Solution:

Points on the plane.

Plot the points (x,y). 1st quadrant: no points, 2nd quadrant …

Points Plotted on a Graph

Loading Image