##### Find the square root

 Algebra Tutor: None Selected Time limit: 1 Day

Find the square root of -√144

Jul 24th, 2015

Thank you for the opportunity to help you with your question!

------------------------------------------------------------------------------------------------------

144 is a perfect square.

144 = 12 x 12

$\\ -\sqrt{144}\\ \\ =-\sqrt{12\times12}\\ \\ =-\sqrt{12^2}\\ \\ =-(12^2)^{1/2}\\ \\ =-(12)^{2/2}\\ \\ (because\hspace{5}(x^m)^n=x^{mn})\\ \\ =-(12)^1\\ \\ =-12$

ANSWER:  $\\ -\sqrt{144} =-12$

------------------------------------------------------------------------------------------------------

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 24th, 2015

...
Jul 24th, 2015
...
Jul 24th, 2015
Dec 5th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle