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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 xaxis is ____.
(v) The abscissa of every point on yaxis 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)
5. Plot the following ordered pairs (x, y) of numbers as points in the Cartesian plane. Use the scale as 1 cm = 1 unit on both the axes.
x  5  0  1  5  3 
y  7  2.5  4  5  2 
6. Draw the coordinate axes on a graph paper and plot the following points.
(i) (–1, –1)
(ii) (–3, 0)
(iii) (7, –5)
(iv) (0, –3)
(v) (1, 1)
(vi) (–5, 7)
(vii) (–7, –5)
(viii) (–5, 5)
(ix) (5, 5)
7. In which quadrant do the following points lie?
(i) (–6, 2)
(ii) (–5, –4)
(iii) (9, 6)
(iv) (–4, –9)
(v) (–9, 4)
(vi) (3, –2)
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).
7. (i) Quadrant II
(ii) Quadrant III
(iii) Quadrant I
(iv) Quadrant III
(v) Quadrant II
(vi) Quadrant IV
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