Direct and Inverse Variation Quiz

Identify if the function below is Direct, Inverse or Neither:

$$y=-\frac{2}{5}x$$

Identify if the function is Direct, Inverse or Neither.

$$xy=40$$

Identify if the function is Direct, Inverse or Neither

Identify if Direct, Inverse or Neither.

Identify if Direct, Inverse or Neither.

Identify if Direct, Inverse or Neither

In which graph is $$y$$ a direct variation of $$x$$ ?

If $$y$$ varies directly as $$x$$ , and the constant of variation is $$-3$$ , which equation represents this relationship?

If the point $$(2,-10)$$ lies on the graph of an inverse variation, which represents the inverse variation equation?

If the point $$\left(12,\ 4\right)$$ lies on a graph of a direct variation, what is the constant of variation?