additive identity


Definition of Additive Identity

  • Additive identity states that the sum of the number and zero yields the same number.

More about Additive Identity

  • The number zero is called to be the additive identity.
  • a + 0 = a and 0 + a = a

Examples of Additive Identity

  • 9 + 0 = 9
  • 0 + x = x

Solved Example on Additive Identity

Which of the following satisfies the additive identity property?
Choices:
A. 7 + 0 = 7
B. – 4 + 0 = 0
C. – 9 × 0 = 0
D. 2 - 1 = 1
Correct Answer: A
Solution:
Step 1: In Identity property, the sum of the number and zero yields the same number.
Step 2: Here, 7 + 0 = 7 satisfies the property of additive identity.

Related Terms for Additive Identity

  • Addition
  • Zero