Write in terms of i.
-$\sqrt { - 4 }$
A) $\pm 2$
B) $- 2 \mathrm { i }$
C) $2 \mathrm { i }$
D) $- \mathrm { i } \sqrt { 2 }$

Name: Write in terms of i. -$\sqrt { - 4 }$ A) $\pm 2$ B) $- 2 \mathrm { i }$ C) $2 \mathrm { i }$ D) $- \mathrm { i } \sqrt { 2 }$
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Question

Quizplus · Accepted Answer

The square root of -4 is 2i, because i is defined as the square root of -1, making $\sqrt{-4} = \sqrt{4} \cdot \sqrt{-1} = 2i$.

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Write in Terms of I $\sqrt { - 4 }$ A) $\pm 2$