In which quadrant does the following points lie? (3,–8)

In which quadrant does the following points lie?(–7, 3)

Plot the following points in the coordinate system and identify the quadrants
P(–7, 6), Q(7, –2), R(–6, –7), S(3, 5) and T(3, 9)

Write down the abscissa and ordinate of the following.
(i) P
(ii) Q
(iii) R
(iv) S

Plot the following points in the coordinate plane and join them. What is your conclusion about the resulting figure?  
(–5, 3) (–1, 3) (0, 3) (5, 3)

Plot the following points in the coordinate plane. Join them in order. What type of geometrical shape is formed? 
(–3, 3) (2, 3) (–6, –1) (5, –1)

Plot the points A( -1, 0), B( 3, 0), C(3, 4), and 0(-1, 4) on a graph sheet. Join them to form a rectangle. Draw the mirror image Of the diagram in clockwise direction:
(i) about x-axis.
(ii) about y-axis.
What is your observation on the coordinates of the mirror image?

Find the distance between the two given points A (3, 4) and B (3, 8)

The mid-point of the sides of a triangle are (2, 4), (−2, 3) and (5, 2). Find the coordinates of the vertices of the triangle.

O(0,0) is the centre of a circle whose one chord is AB, where the points A and B are (8,6) and (10,0) respectively. OD is the perpendicular from the centre to the chord AB. Find the coordinates of the mid-point of OD.