SOLUTION: simplify the square root of 512k2

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Question 1020358: simplify the square root of 512k2
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
simplify sqrt%28512k%5E2%29
512 is a power of 2
sqrt%282%5E9%2Ak%5E2%29
Write it to reveal the perfect squares
sqrt%282%5E4%2A2%5E4%2A2%2Ak%2Ak%29
extract the square root of those square
2%5E4%2Ak%2Asqrt%282%29 = 16k%2Asqrt%282%29