Question

Procedure :
(1) Draw X-axis and Y-axis on the graph paper.
(2) Plot following following points on the graph paper: (-4,4), (-2, 4), (1, 4), (3, 4).
(3) Join these points, name it as line LM.
Plot the points (4, -2), (4, -3), (4,4),(4,7).
(5) Join these points, name it as line IJ.
(6) Draw a line parallel to Y - axis at a distance of 2 units to its left. Name it as line AB.
(7) Draw a line parallel to Y - axis at a distance of 4 units to its right. Name it as line CD.
(8) Draw a line parallel to X - axis, 2 units above it. Name this line as line PQ.
(9) Draw a line parallel to X-axis, 3 units below it. Name this line as line RS.
(10) Using this graph, complete the following observations.
Student's activity:​

Answer 1

Answer:

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Class 9

>>Maths

>>Coordinate Geometry

>>Plotting Points in Cartesian Plane

>>Plot the following points o...

Question

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Plot the following points on a graph paper and find out where do they lie?

(i) A (7, 0) (ii) B (-5, 0) (iii) C (0 , 4) (iv) D (0, -3)

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Solution

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Draw the x and y axes. Mark the units along the x and y axes with a suitable scale.

(i) To plot the point A (7, 0)

Here, the x-coordinate of A is 7 which is positive and the y-coordinate of A is zero. Hence the point A (7, 0) lies on the x-axis. Start at the Origin. Move 7 units to the right along the x-axis and mark it.

(ii) To plot the point B (-5 , 0)

Here, the x-coordinate of B is 5 which is negative and the y-coordinate is zero. Hence the point B (-5 , 0) lies on the x-axis. Start at the Origin. Move 5 units to the left along the x-axis and mark it.

(iii) To lot the point C (0 ,4)

Here, the x-coordinate of C is zero and the y-coordinate of C is 4 which is positive. Hence the point C (0 , 4) lies on the y-axis. Start at the Origin. Move 4 units up along the y-axis and mark it.

(iv) To plot the point D (0 , -3)

Here the x-coordinate of D is zero and the y-coordinate of D is -3 which is negative. Hence the point D (0 , -3) lies on the y-axis. Start at the Origin. Move 3 units down along the y-axis and mark it.

solution