Additive Inverses
Definition of Additive Inverses

• The Additive Inverse of a number is the opposite of the number.
• A number and its opposite add up to give zero.
  They are called additive inverses of each other.

Examples of Additive Inverses

• The additive inverse of 7 is - 7.
  7 + (- 7) = 0
• The additive inverse of - 2 is 2.
  - 2 + 2 = 0

Solved Example on Additive Inverses

Which of the following is the additive inverse of the sum of 5 and 8?
Choices:
A. - 13
B. - 5
C. - 8
D. - 3
Correct Answer: A
Solution:
Step 1: The sum of 5 and 8 is 13.
Step 2: The additive inverse of 13 is - 13.

Related Terms for Additive Inverses

• Opposite Number