Question

Solve using the square root method. Root the solution to the nearest tenth. x^2 - 20= 0

Answer 1

\[x^2 - 20 = 0\]

\[(x + \sqrt{20})(x - \sqrt{20}) = 0\]

\[x = \sqrt{20} \quad Or \quad x = -\sqrt{20}\]

Answer 2

Find the square root of 20 and you will get your answer..

Answer 3

thanks :)