Answer
$x = 5+ 2t$
$y = 2 - t$
$z = 8 + 5t$
Work Step by Step
$P(5, 2, 8)$ $v=<2,-1,5>$ (from 2i-j+5k)
Parametric equations are
$x =x_{0} + at$
$y =y_{0} + bt$
$z =z_{0} + ct$
Thus the equations are
$x = 5+ 2t$
$y = 2 - t$
$z = 8 + 5t$