Question

what is the displacement of an objext that moves from the origin to a position at -12m?

Answer 1

The displacement of an object is its change in position.
\[\color{green}{\text{displacement} = (\text{final position}) - (\text{initial position}) = (-12~\text{m} ) - (0~\text{m})}\]

Answer 2

the displacement is 12m.