bluflame122 bluflame122

06-04-2021
Mathematics

contestada

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

Respuesta :

EthanT05 EthanT05

06-04-2021

Answer:

C. 4i

Step-by-step explanation:

Answer Link

06-04-2021

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

Answer Link

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