He answered (the question) 'in the affirmative'. [=he said “yes”]
She gave an 'affirmative' answer, not a negative answer.
She answered (the question) 'affirmatively'.
(..) We have to get as far away from the city as possible. Just head south. Keep it under . We don't want to be pulled over. Affirmative. No, no, no. You got to listen to the way people talk. You don't say ''affirmative'' or some shit like that. (..)1991 Terminator 2: Judgment Day