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

Q-1 In which quadrant or on which axis do each of the point Equation lie? 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 quardrant,(-2,4) and (-1,0) as a 2nd quarant,(-3,-5) as a 3rd quadrant,(3,-1) as a 4th quadrant

Give Quardrant or on Axis

Give quardrant or on axis ofthe point of (1,2) as a 1 st quardrant,(-2,4) and (-1,0) as a 2nd quarant,(-3,-5) as a 3rd quadrant,(3,-1) as a 4th quadrant

Understanding of quadrant Cartesian plane.

Cartesian plane with quadrants and signs of x and y coordinates in each quadrant

Signs of X and Y Coordinates in Each Quadrant

Cartesian plane with quadrants and signs of x and y coordinates in each quadrant

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

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

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

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

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

Q-2 Plot the points Equation 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) and y value is(8,7,1.25,3,-1)

Give Different Point of (X,Y)

Give different point of (x,y) like x value is (-2,-1,0,1,3) and y value is(8,7,1.25,3,-1)

Solution:

Points Equation on the plane. Equation

Plot the points (x,y). 1st quadrant: no points, 2nd quadrant: (-2,8) and (-1,7),3rd quadrant: (0,-1.25),4th quadrant: (3,-1)

Points Plotted on a Graph

Plot the points (x,y). 1st quadrant: no points, 2nd quadrant: (-2,8) and (-1,7),3rd quadrant: (0,-1.25),4th quadrant: (3,-1)

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