How do you find the #sqrt289#?

Question

2380 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-11-14T12:24:09

#\sqrt(289)=\pm17#
Depends on if you actually need the #\pm# symbol, ask your teacher.

1. Use a calculator.

just kidding, I know that'd be too easy...

That's the square root symbol.
#\sqrt(17\times17)#
Okay... that was fast. I guess your answer is #\pm17#, because #(\pm17)^2=289#