Question

The table below shows a direct variation. What is the value of m?
x y
12 24
18 m
24 48


2
24
30
36

Answer 1

\[x \alpha y\]

x = const y , (let const = k)
x = ky
when x = 12, y = 24
12 = 24k
, k = 0.5
x = 0.5y , y = 2x
put x = 18 , y = 2 * 18 = 36

Answer 2

thanks