What is the definition of additive inverse?

Answer by  willard (874)

The additive inverse of a number is the number you add to it to get zero. So, -5 is the additive inverse of 5 because 5+ (-5) =0.

Answer by  esteban (1334)

The additive inverse of a number is what you add to the number to get a sum of zero. The additive inverse is also called the opposite. For example, the additive inverse of 8 is -8 because 8 + (-8) = 0.