SOLUTION: The directions say: "Simplify. Unless otherwise specified, assume that variables can represent any number." *The problem is {{{sqrt(448y^2)}}} Thanks!

Algebra ->  Square-cubic-other-roots -> SOLUTION: The directions say: "Simplify. Unless otherwise specified, assume that variables can represent any number." *The problem is {{{sqrt(448y^2)}}} Thanks!      Log On


   



Question 86295: The directions say: "Simplify. Unless otherwise specified, assume that variables can represent any number."
*The problem is sqrt%28448y%5E2%29

Thanks!

Answer by scianci(186) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28448y%5E2%29 =
sqrt%28%2864%29%287%29y%5E2%29 =
8|y|sqrt%287%29
[the | | part is necessary to avoid the possibility of y having a negative value, since the problem stated to assume that variables can represent any number.