Inverse variation equation

Question

The value of y varies inversely with x and y=12 when x =-4 find y when x=-2

Answer 1

y=k/x

12=k/4

k=48

y=48/x

when x=2, y=24,

Answer 2

y = kx

12 =k(-4)

k=-3

y=-3x

y=-3(-2) = 6

y = 6 when x =-2