Chapter 11.3, Problem 40WE

To determine

To express: The value of given square root.

Answer to Problem 40WE

The solution is $\pm 3.5$ .

Explanation of Solution

Given:

The given square root is,

  $\pm \sqrt{12.25}$

Calculation:

The value of square root is calculated as,

  $\begin{array}{c}\pm \sqrt{12.25}=\pm \sqrt{\frac{1225}{100}}\\ =\pm \frac{35}{10}\\ =\pm 3.5\end{array}$

Therefore, the solution is $\pm 3.5$ .