Simplify the expression. $\sqrt { - 72 }$
A) $- 6 i \sqrt { 2 }$
B) $6 \sqrt { 2 i }$
C) $6 i \sqrt { 2 }$
D) $36 i \sqrt { 2 }$

Name: Simplify the expression. $\sqrt { - 72 }$ A) $- 6 i \sqrt { 2 }$ B) $6 \sqrt { 2 i }$ C) $6 i \sqrt { 2 }$ D) $36 i \sqrt { 2 }$
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Question

Quizplus · Accepted Answer

$\sqrt{-72}$ can be simplified to $\sqrt{-1 \cdot 36 \cdot 2}$, which equals $6i\sqrt{2}$, where $i$ is the imaginary unit.

Simplify the Expression −72\sqrt { - 72 }−72​ A) −6i2- 6 i \sqrt { 2 }−6i2​

Simplify the Expression $\sqrt { - 72 }$ A) $- 6 i \sqrt { 2 }$