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
Video Examples: Additive Inverses
Solved Example on Additive Inverses
Which of the following is the additive inverse of the sum of 5 and 8?
- A. - 13
- B. - 5
- C. - 8
- D. - 3
Correct Answer: A
- Step 1: The sum of 5 and 8 is 13.
- Step 2: The additive inverse of 13 is - 13.