Answer:
[tex]y=-x-6[/tex] is parallel
[tex]y=x+6[/tex] is perpendicular
Step-by-step explanation:
(im answering this assuming that says y = -x + 6)
[tex]y=-x-6[/tex] is parallel because the slope remains the same
[tex]y=x+6[/tex] is perpendicular because it reflects the line