E eouirai New member Joined Nov 29, 2008 Messages 9 Dec 8, 2008 #1 How come sometimes when you find the square root of something, you need absolute value signs? Why is the square root of x^6, |x^3|?

How come sometimes when you find the square root of something, you need absolute value signs? Why is the square root of x^6, |x^3|?

L Loren Senior Member Joined Aug 28, 2007 Messages 1,299 Dec 8, 2008 #2 Re: Radicals and Absolute Value eouirai said: How come sometimes when you find the square root of something, you need absolute value signs? Why is the square root of x^6, |x^3|? Click to expand... If x is a negative number, is \(\displaystyle \sqrt{x^6}\) positive or negative? If x is a negative number is x[sup:17vk1jed]3[/sup:17vk1jed] positive or negative?

Re: Radicals and Absolute Value eouirai said: How come sometimes when you find the square root of something, you need absolute value signs? Why is the square root of x^6, |x^3|? Click to expand... If x is a negative number, is \(\displaystyle \sqrt{x^6}\) positive or negative? If x is a negative number is x[sup:17vk1jed]3[/sup:17vk1jed] positive or negative?