seventeen4life123
seventeen4life123 seventeen4life123
  • 24-06-2021
  • Mathematics
contestada

which of the following are equivalent to the expression below? sqrt -16

A. 4i
B. -4
C. -4i
D. 4​

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jimrgrant1 jimrgrant1
  • 24-06-2021

Answer:

A and C

Step-by-step explanation:

Using the fact that [tex]\sqrt{-1}[/tex] = i , then

[tex]\sqrt{-16}[/tex]

= [tex]\sqrt{16(-1)}[/tex]

= [tex]\sqrt{16}[/tex] × [tex]\sqrt{-1}[/tex]

= ± 4 × i

= 4i → A

= - 4i → C

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certifiedjuviee certifiedjuviee
  • 24-06-2021
B.) -4i i think i don’t know for sure
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