SOLUTION: Hello, I am in deep need of help. I am suppose to use the sqrt property to solve equation. (a-2)^2=8 Thanks for anyone that can help.

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Question 153351This question is from textbook Intermediate Algebra
: Hello, I am in deep need of help. I am suppose to use the sqrt property to solve equation.
(a-2)^2=8
Thanks for anyone that can help. This question is from textbook Intermediate Algebra

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for a, by applying the square root property:
%28a-2%29%5E2+=+8 Take the square root of both sides of the equation:
%28a-2%29+=+0%2B-sqrt%288%29 add 2 to both sides:
a+=+2%2B-sqrt%288%29 Simplify the right side.
a+=+2%2B2sqrt%282%29or a+=+-2sqrt%282%29