Page 62 -

52 Chapter Onł

x 4/ 4 1
0
y 5 16/ 8 5 2 3
0

(x ,y ) (1, 3)
0
0
This point is plotted first. Next, consider the following points:

x 2 x 2 1
0
2
y 2 2( 1) 4( 1) 5 2 4 5 11

(x ,y ) ( 1, 11)
2
2
x 1 x 1 0
0
2
y 2 2(0) 4(0) 5 5

(x ,y ) (0, 5)
1
1
x x 1 2
0
1
2
y 2 2(2) 4(2) 5 8 8 5 5

(x ,y ) (2, 5)
1 1

x x 2 3
2 0
2
y 2 2(3) 4(3) 5 18 12 5 11

(x ,y ) (3, 11)
2
2
The five known pointð are plotted as shown in Fig. 1.14. From
these, the curve can be inferred.