1. Fill in the blanks:
(i) The abscissa of the origin is ____.
(ii) The ordinate of the point (–5, 3) is ____.
(iii) The coordinates of origin are (____, ____).
(iv) The ordinate of every point on x-axis is ____.
(v) The abscissa of every point on y-axis is ____.
(vi) The axes intersect at a point called ____.
2. Look at the following figure and answer the questions given below.
(i) What are the coordinates of B?
(ii) What are the coordinates of M?
(iii) What are the coordinates of L?
(iv) What are the coordinates of S?
3. Write the coordinates of the points marked on the axes in the following figure.
4. Locate the following points in the Cartesian plane.
(i) (4, 0)
(ii) (0, 4)
(iii) (–3, 0)
(iv) (–3, 3)
(v) (5, –3)
(vi) (–3, 5)
(vii) (–5, 3)
(viii) (2, –7)
(ix) (–7, –7)
ANSWERS
1. (i) 0
(ii) 3
(iii) (0, 0)
(iv) 0
(v) 0
(vi) origin
2. (i) (4, 3)
(ii) (–3, 4)
(iii) (–4, –4)
(iv) (3, –4)
3. Coordinates of A are (4, 0); Coordinates of B are (0, 3)
Coordinates of C are (–5, 0); Coordinates of D are (0, –4)
Coordinates of E are (1, 0).