While writing the coordinates of a point plot a point P(-3,-4) on the cartesian plane.Now , change the abscisa ndcall it Q.Plot Q. Also plot reflections of P and Q in x axis.

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Q. 3 coordinates are required to plot a point on cartesian plane.

Q. Plot the point P(−6, 3) on a graph paper. Draw PL ⊥ x-axis and PM ⊥ y-axis. Write the coordinates of L and M.

Q. Plot the points

T (4, - 2)

and

V (- 2, 4)

on a cartesian plane. Whether these two coordinates locate the same point?

(i) Plot the points A (3, 5) and B (-2, -4). Use 1 cm = 1 unit on both the axes.

(ii) A' is the image of A when reflected in the x-axis. Write down the co-ordinates of A' and plot it on the graph paper.

(iii) B' is the image of B when reflected in the y-axis, followed by reflection in the origin. Write down the co-ordinates of B' and plot it on the graph paper.

(iv) Write down the geometrical name of the figure AA'BB'.

(v) Name two invariant points under reflection in the x-axis.

Q. On a certain Cartesian plane, the scale on the

x

-axis is

1 : 2

, while the scale on the

y

-axis is

1 : 10

.
Plot the following points:

P (4, 80), Q (- 6, 10), B (- 4, - 40), S (0, - 20)

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