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