Question
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Find the root of \( \sqrt[5]{-3125} \). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. \( \sqrt[5]{-3125}=\square \) (Simplify your answer.) B. The root is not a real number.

Ask by Dunn Campbell. in the United States
Mar 13,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

The root of \( \sqrt[5]{-3125} \) is \(-5\).

Solution

We start with the expression: \[ \sqrt[5]{-3125} \] Since the index \(5\) is odd, the \(5\)th root of a negative number is also negative. In other words, we have: \[ \sqrt[5]{-3125} = -\sqrt[5]{3125} \] Next, we simplify \(\sqrt[5]{3125}\). Notice that: \[ 3125 = 5^5 \] Thus, we can write: \[ \sqrt[5]{3125} = \sqrt[5]{5^5} = 5 \] Substituting this back, we get: \[ \sqrt[5]{-3125} = -5 \] So, the correct choice is: A. \(\sqrt[5]{-3125}=-5\)

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Simplify this solution

Extra Insights

A. \( \sqrt[5]{-3125} = -5 \) To simplify this, we notice that \(-3125\) can be rewritten as \(-5^5\). Hence, when we take the fifth root, we get \(-5\). It's as easy as pie!

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