# How do you write an equation in standard form for a line passing through D(5, -2) m = 2/5?

$y - {y}_{p} = m \left(x - {x}_{p}\right)$,
$y + 2 = \frac{2}{5} \left(x - 5\right) \Rightarrow y = \frac{2}{5} x - 4$.