What is the negative square root of 900 ?

The negative square root of 900 is -30. This means that if you multiply -30 by itself, you get 900. It's super handy to know this since it helps you understand how squares and square roots work in math! Now, did you know that square roots have been used since ancient times? The Babylonians, around 2000 BC, were already figuring out ways to compute square roots. They had their own methods and even approximations, which shows just how foundational this concept is in mathematics across civilizations!