The <em><u>correct answers</u></em> are:
reciprocal
; negative
; additive inverse
; and multiplicative inverse
.
Explanation:
The opposite of a number in is a negative. The number we can add to a number to get 0, or the opposite of a number as far as addition goes, is its additive inverse.
The number we can multiply to a number to get 1, or the opposite of a number as far as multiplication goes, is its multiplicative inverse. It is also called the reciprocal of the number.