1)
y varies inversely with x
y=k/x , where k is any constant
y=-16 when x=-64
-16 = k/ (-64)
-16 = k/-64
k=(-16)(-64) = 1024
2)
y =k/x , where k is any constant
y=8 when x=3
8 = k/3
k=24
y=24/x
when y=6
6 = 24/x
6x=24
x=4
Missing value is 4
3)
xy/4=-3
xy=-12
y=-12/x
y=kx
k=-12
4)
