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

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories