www.VirtualNerd.com

What is the Opposite, or Additive Inverse, of a Number?

Definition: Additive inverse

Summary

  1. What can we add to 5 to get 0?
  2. We can add -5 to 5 to get 0
  3. What can we add to -7 to get 0? We can add 7!

Notes

    1. The additive inverse is also sometimes called the "opposite" of a number
    2. It's just the original number with the opposite sign
    1. The definition applies to our examples as well!
    2. In order to find the additive inverse, just switch the sign of the number!
    3. Finding the additive inverse of a variable works the same way!
    4. Just take the number or variable, and multiply it by -1