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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset Vaia Explanations$ Math

2nd Edition · 1240 pages

ISBN: 9780998625713

Chapter 9: Q 13. (page 1041)

Simplify Expressions with Square Roots:
$\sqrt{- 121}$

Short Answer

Expert verified

The required answer is $11 \sqrt{- 1}$ .

Step by step solution

01

Step 1. Given information.

The given square root is $\sqrt{- 121}$ .

02

Step 2. Simplify the given root.

$\sqrt{- 121}$

Factor the number.

$= \sqrt{- 1} \sqrt{121} = 11 \sqrt{- 1}$

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