76.7k views
1 vote
What does this equal?

What does this equal?-example-1
User SAUMYA
by
8.1k points

2 Answers

6 votes
i think the answer is 9

User Martlark
by
8.3k points
5 votes
Square root both sides :

b^2 = 81
sqrt (b^2) = + sqrt(81)
b = 9

AND

sqrt(b^2) = - sqrt(81)
b= -9

Thus, b = 9 OR b = -9
User Clarise
by
8.5k points

No related questions found