Are lines $p$ (with slope $m$) and $q$ (with slope $n$) perpendicular to each other?

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BTGmoderatorLU: Moderator; Posts: 2325; Joined: Sun Oct 15, 2017 1:50 pm; Followed by:6 members

Are lines $p$ (with slope $m$) and $q$ (with slope $n$) perpendicular to each other?

by BTGmoderatorLU » Fri Nov 15, 2024 8:42 am

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Are lines $p$ (with slope $m$) and $q$ (with slope $n$) perpendicular to each other?

1) $m + 2 = n$
2) $m + n = 0$

The OA is C

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