Question

Is there a rational number which is its own additive inverse?

Answer 1

Zero is its own additive inverse. The sum of a number and the Additive Inverse of that number is zero. Example:The additive inverse of x is -x and when they are added together their sum is zero. x + (-x) = 0.

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Answer 2

The opposite, or additive inverse, of a number is the same distance from 0 on a number line as the original number, but on the other side of 0. Zero is its own additive inverse.