Question

Please help!
√121=?
Explain your answer.

Answer 1

`√(121) = <strong>+11 and -11</strong>`
If you take the square root of something, you are looking for what number, when squared, will give you the number within the square root.
Ex:
`√(9) = 3`

`3^(2) = 9`

so with
`√(121)` both
`-11^(2)` and
`+11^(2)` with give you 121

Answer 2

Since 11×11=12111×11=121, the square root of 121 is 11. =)