Question

Y=2 when x=8 & y=-3 when x=1

Answer 1

Y=k/x is inverse

y=2
x=8
2=k/8
times 8
16=k
the equation is
y=16/x

second

y=k/x
-3=k/1
-3=k

the equation is y=-3/x


they are
for y=2, x=8 it is y=16/x
and  for y-3, x=1 it is y=-3/x