Answer
This is inverse variation.
An equation is $xy = 72$.
Work Step by Step
The values of y seem to vary inversely with the values of x.
Ratio:
$4-3\times-24=72$
$9\times8=72$
$12\times6=72$
The ratio $\frac{y}{x}$ is the same for all data pairs. So this is inverse variation, and $k =72$. The equation is $xy = 72$.
