Page 290 - MATHEMATICS COURSE FOR SECONDARY SCHOOLS BOOK 2
P. 290
(b)
-5
X
Y
-6
-5
A
-5: -5 = 1 : 1 -3 : -3 = 1 : 1
From the graph: AY =
B
(-5) -3
y
25
20 15 10
(c)
6 :
9 = 2 :3
X
P (25,15)
10: -15 = 2 : 3
5
0 15 x
(0,0) 5
6
10 15 20 25 30
284
