1. In the following figure, what are the coordinates of: (i) A, (ii) B, (iii) origin?
2. Write the abscissa of the following points: (4, 0), (5, –3), (–3, 4) and (0, –4)
3. Fill in the blanks
Based on the above cartesian planes:
(i) The co-ordinates of point A are ………..
(ii) The co-ordinates of point B are ………..
(iii) The co-ordinates of point C are ………..
(iv) The co-ordinates of point D are ………..
(v) The co-ordinates of point E are ………..
(vi) The co-ordinates of point F are ………..
(vii) The co-ordinates of point G are ………..
4. Three vertices of a rectangle are (3, 2), (–6, 2) and (–6, 5). Plot these points and find the co-cordinates of the fourth vertex.
5. Write the co-ordinates of the following quadrilateral OABC.
6. In which quadrant or on which axis, do the points : (–3, 5), (2, –3), (–4, 0) and (0, 5) lie?
Verify your answer by locating them on the cartesian plane.
7. In which quadrant, the point (1, –2) lies?
ANSWERS
1. (i) (–2, 3); (ii) (4, –3); (iii) (0, 0)
2. 4; 5; –3 and 0
3. (i) (–2, 5); (ii) (2, 4); (iii) (–1, 0); (iv) (3, 0); (v) (0, –2); (vi) (–2, –5); (vii) (2, –2)
4. (3, 5)
5. O (0, 0); A(3, 6); B(6, 1); C(2, –6)
6. II quadrant; IV quadrant; II quadrant; I quadrant;
7. IV quadrant