# If y varies inversely with x and y=9 when x=2.5, how do you find y when x=-0.6?

Sep 16, 2016

Inverse variation answers to $x \times y = C$, where $C$ is the constant of variation.
$C = x \times y = 2.5 \times 9 = 22.5$ (given case)
$\to y = \frac{22.5}{x}$
$y = \frac{22.5}{- 0.6} = - 37.5$