ncert solutions for class 9 maths chapter 3 coordinate geometry

Ncert  solutions for class 9 maths chapter 3 coordinate geometry exercise 3.1

1. How will you describe the position of a table lamp on your study table to another person?

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2. (Street Plan) : A city has two main roads which cross each other at the centre of the city. These two roads are along the North-South direction and East-West direction.

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Ncert  solutions for class 9 maths chapter 3 coordinate geometry exercise 3.2

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.

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2. See Fig.3.14, 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.

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Ncert  solutions for class 9 maths chapter 3 coordinate geometry exercise 3.3

1. In which quadrant or on which axis do each of the points (– 2, 4), (3, – 1), (– 1, 0),

(1, 2) and (– 3, – 5) lie? Verify your answer by locating them on the Cartesian plane.

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2. Plot the points (x, y) given in the following table on the plane, choosing suitable units
of distance on the axes.
x               – 2            –1              0              1               3
y               8               7            – 1.25          3               – 1

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