Suppose that y varies inversely with x. write an equation for the inverse variation y=4 when x=7

If y varies inversely as x, then we write it as:

y = k/x

where k is some constant.

If we multiply both sides of this equation by x we get an equation for k:

k = x*y

We are given that y=4 when x=7, therefore:

k = 7*4 = 28

Put this back into our original equation to get:

y = 28/x

i don't even know man. edge inuity be messing with us. i had to ask a question too.