Answer
neither
Work Step by Step
$y = 4x-2$
$-x+4y = 0$
$-x+4y + x = 0+ x$
$4y = x$
$4y/4 = x/4$
$y = 1/4*x$
$4*1/4 = 1$, so the slopes aren't perpendicular. The slopes aren't the same, so the lines aren't parallel.
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