Page 123 - Mathematics

Solution
From the graph given, the ordered pairs are as follows:
A(1, 1),− B(4, 2),− C (2, 1), D (0, 2), E( 1, 0),− F (5, 0), G (5, 3),

H (2, 4), I( 1, 3),− J( 1, 2),−− K(3, 1),− L( 3, 0),− and M (0, 0). Tanzania Institute of Education

Example 6.2

(a) Use a graph paper to locate each of the following points on the xy-plane.
(i) M(1, 1)− (v) E(1, 5)−
(ii) B(2, 2) (vi) N(3, 5)

(iii) C( 3, 2)− − (vii) A(0, 5)
(iv) D(5, 3)−

(b) State the quadrant in which each point in (a) is located.
Solution
(a) The given points are located in the xy-plane as shown in the following
figure.

y
6 6
A(0, 5) N(3, 5)
5 5

4 4

3 3
B(2, 2)
2 2

1 1

-3 -2 -1 0 1 2 3 4 5 6 x
-1
M(1, -1)
C(-3, -2)
-2
D(5, -3)
-3

-4 Mathematics Form One
E(1, -5)
-5

117

25/10/2024 09:51:44
Mathematics form 1.indd 117
Mathematics form 1.indd 117 25/10/2024 09:51:44