Why Is It Called Identity Law in Mathematics?

Learn why the identity law in math means numbers stay the same when added to zero or multiplied by one.

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Identity law in mathematics states that any number or variable remains unchanged when added to zero or multiplied by one. It's called 'identity' because the result remains identical to the original number. For example, in multiplication, the number 1 is the multiplicative identity because any number multiplied by 1 results in the same number.

FAQs & Answers

  1. What is the additive identity in math? The additive identity is zero, because adding zero to any number leaves the number unchanged.
  2. What does multiplicative identity mean? Multiplicative identity means any number multiplied by one remains the same number.
  3. Why is the identity law important in algebra? The identity law helps simplify equations by showing how numbers remain unchanged with addition of zero or multiplication by one.

Watch More

For a deeper understanding of fundamental math concepts, explore related videos on the distributive law and inverse operations. These foundational topics complement the identity law and enhance your algebra skills.

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