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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 9: Q 611. (page 1149)

In the following exercises, simplify.
$\sqrt{- 36}$

Short Answer

Expert verified

$\sqrt{- 36}$ is not a real number.

Step by step solution

01

Step1. Given information

Given expression is $\sqrt{- 36}$ .

02

Step2. Simplification

There is no real number whose square is $- 36$ .

$\sqrt{- 36}$ is not a real number.

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Most popular questions from this chapter

For the equation $\sqrt{- x + 2} = x$ :

Part (a): Is $x = - 2$ a solution?

Part (b): Is $x = 1$ a solution?

In the following exercises, solve.

$\sqrt{6 s + 4} = \sqrt{8 s - 28}$

Explain why an equation of the form $\sqrt{x} + 1 = 0$ has no solution.

In the following exercises, simplify by rationalizing the denominator

(a) $\frac{5}{5 + \sqrt{6}}$ (b) $\frac{6}{3 - \sqrt{7}}$

In the following exercises, solve.

$\sqrt{4 u + 2} - 6 = 0$ .

See all solutions

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