# Is 2x - 5y = 0 a direct variation equation and if so, what is the constant of variation?

Direct Variation with constant $\setminus \frac{2}{5}$
$2 x - 5 y = 0 , 2 x = 5 y$
$\setminus \frac{5 y}{5} = \setminus \frac{2 x}{5}$
$y = \setminus \frac{2}{5} x$