What are imaginary numbers of the form a+bi and a-bi called?

The four multiple choice answers are reciprocals, opposites, conjugates, and inverses.What are imaginary numbers of the form a+bi and a-bi called?
conjugatesWhat are imaginary numbers of the form a+bi and a-bi called?
Conjugates
have a look here :)





http://www.bymath.com/studyguide/alg/sec鈥?/a>