Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
-$\sqrt { - 324 }$
A) $\pm 18$
B) $- \mathrm { i } \sqrt { 18 }$
C) $- 18 \mathrm { i }$
D) $18 \mathrm { i }$

Question

Quizplus · Accepted Answer

The square root of a negative number involves the imaginary unit $i$, where $i = \sqrt{-1}$. Thus, $\sqrt{-324} = \sqrt{324} \cdot \sqrt{-1} = 18i$.

Write the Word or Phrase That Best Completes Each Statement −324\sqrt { - 324 }−324​

Write the Word or Phrase That Best Completes Each Statement $\sqrt { - 324 }$