Log in

View Full Version : Solve 4 cube root of x equals 8


kyla2006
Apr 13, 2010, 09:22 AM
solve cubed root x equals 8

Curlyben
Apr 13, 2010, 09:24 AM
Thank you for taking the time to copy your homework to AMHD.
Please refer to this announcement: https://www.askmehelpdesk.com/finance-accounting/announcement-font-color-ff0000-u-b-read-first-expectations-homework-help-board-b-u-font.html

Unknown008
Apr 18, 2010, 10:33 AM
That is:

^3\sqrt x = 8

or:

x^{(\frac13)} = 8

Cube each side to give:

(x^{(\frac13)})^3 = 8^3

Use the product rule, then the 3 will cancel out.

(x^{(\frac{1}{\cancel{3}})})^{\cancel{3}} = 8^3

x^1 = 8^3