Question

If y=-6.3 when x=2/3, how do you find y when x=8 given that y varies inversely as x?

Answer 1

y=k/x =) -6.3=k/8 =) k=8×-6.3

y=8×-6.3/x

at x=8 y= 8×-6.3/8= -6.3