Question

Use Geometric Mean to solve for the value of x. Leave your answer in SIMPLIFIED radical form.

Answer 1

Using the geometric mean we can estimate the x value as:

`\begin{gathered} x^2=20^2+20*15 \\ x^2=700 \\ x=√(700)=√(100*7)=√(10^2*7)=10√(7) \end{gathered}`

The answer is:

`x=10√(7)`