Q7Multiple choice
In which of the following case, do the quantities vary directly with each other?
- (a)x 0.5 2 8 32 y 2 8 32 128
- (b)p 12 22 32 42 q 13 23 33 43
- (c)r 2 5 10 25 50 s 25 10 5 2 0.5
- (d)u 2 4 6 9 12 v 18 9 6 4 3
Show answer
(d) u 2 4 6 9 12 v 18 9 6 4 3