Question

The sum of a number and its additive inverse is equal to _____.

a) -1
b) 0
c) 1

Answer 1

The additive inverse of a number is the negative counterpart of the number such that the sum of the two numbers when added is equal to zero. For example, the additive inverse of 1 is -1 while 2 is -2, 3 is -3 and so on.The answer hence is B.

Answer 2

n - the number
-n - additive inverse of the number n

n + (-n) = n - n = 0

Answer: 0.