Find each root

square root of 81

 

A. 9

B. + or -9

C. + or -8

D. -9
in Other Math Topics by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

9*9=81=(-9)*(-9) so -9 and +9 are both square roots of 81 (answer B).
by Top Rated User (1.2m points)

Related questions

3 answers
asked Oct 10, 2012 in Word Problem Answers by anonymous | 6.3k views
1 answer
asked Jan 23, 2014 in order of operations by tsj1613 Level 1 User (400 points) | 1.3k views
1 answer
asked Mar 25, 2013 in Algebra 1 Answers by anonymous | 1.8k views
1 answer
asked Aug 16, 2014 in Other Math Topics by Poulami | 990 views
1 answer
asked Apr 11, 2014 in Other Math Topics by anonymous | 2.7k views
1 answer
asked Jan 8, 2014 in Other Math Topics by Ichigohoshina | 927 views
1 answer
asked Jul 15, 2013 in Other Math Topics by anonymous | 509 views
1 answer
asked Aug 1, 2019 in Other Math Topics by Dan | 575 views
1 answer
1 answer
asked Jun 13, 2017 in Other Math Topics by Angelo perez | 1.5k views
1 answer
asked Nov 10, 2016 in Other Math Topics by anonymous | 776 views
1 answer
1 answer
asked Jul 12, 2013 in Other Math Topics by square roots | 3.3k views
1 answer
asked Apr 11, 2015 in Algebra 1 Answers by anonymous | 1.3k views
1 answer
1 answer
1 answer
asked May 31, 2013 in Calculus Answers by anonymous | 1.2k views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
87,516 questions
100,279 answers
2,420 comments
731,687 users