Question

Assume y varies inversely as x, how do you write the equation given y=-4 when x=-3?

Answer 1

`y=12/x`

Explanation:

`y=k/x`, where k is a constant

Subsitute `y=-4` and `x=-3`,

`-4=k/-3`
`k=-4xx-3`
`k=12`

Hence, the inverse proportional equation is `y=12/x`