178k views
5 votes
Find two square roots of 81

User Chickenman
by
5.3k points

2 Answers

2 votes

Well if you think about if 9 times 9 equals 81. -9 and -9 also equals 81 because negative times negative equals positive 81

User Armend
by
5.1k points
3 votes

nine and negative nine



User Ymmx
by
5.5k points