Honestly just search it up theirs this website called coursehelper or something like that which has like all teachers answer sheets where they get their work from might work
The answer is hyperactive.
The word hyperactive refers to extremely active or abnormally active. Hyperactive is the adjective form of hyperaction. Hyperactively is the adverb form. The work inactive refers to being not engaged or not working while the word reactive refers to the acting in response to a situation.