bluflame122
Answered

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What is the square root of –16?
A. –8i
B. –4i
C. 4i
D. 8i

Sagot :

EthanT05

Answer:

C. 4i

Step-by-step explanation:

cairde

Answer:

C. 4i

Step-by-step explanation:

[tex]\sqrt{-16} = \sqrt{16} \sqrt{-1}[/tex] (because [tex]\sqrt{ab} =\sqrt{a} \sqrt{b}[/tex])

Since [tex]\sqrt{16}[/tex]=4, and [tex]\sqrt{-1}[/tex]=i, [tex]\sqrt{-16}[/tex]=4i

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