Question

In the following exercises, simplify. $$ \sqrt{4} $$

   In the following exercises, simplify.
$$
\sqrt{4}
$$

Elementary Algebra

Elementary Algebra

Lynn Marecek 1st Edition

Chapter 9, Problem 2

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Solved by Expert Elizabeth Xu

04/04/2020

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The number inside the square root is 4. Show more…

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In the following exercises, simplify. $$ \sqrt{4} $$

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Key Concepts

Square Roots

Square roots are mathematical operations that return the nonnegative number which, when multiplied by itself, yields the given input. This concept is fundamental when dealing with radicals, and understanding that the square root of 4 is 2 is crucial for simplifying expressions.

Simplification of Expressions

Simplification involves reducing mathematical expressions to their simplest form. This includes evaluating functions like square roots and then applying any arithmetic operations, such as the negative sign in front of the radical, to arrive at the final answer.

Order of Operations

The order of operations is a set of rules defining which parts of an expression to evaluate first. In the case of -?4, the square root is computed before the negation is applied, ensuring that the negative sign affects the evaluated result.

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