br9eg8iemisJoses
br9eg8iemisJoses br9eg8iemisJoses
  • 10-06-2016
  • Mathematics
contestada

Which expression is equivalent to √-80

a. -4 √5
b. -4 √5i
c. 4 √5i
d. 4 √5

Respuesta :

metchelle
metchelle metchelle
  • 10-06-2016
To simplify √-80, we can take out "i" from the root by using the relation i = √-1. Further factoring out 80, we can simplify it, which will be shown as follows:

√-80 = √(-1)(16)(5) = 4i√5

Among the choices, the correct answer is C.
Answer Link
Reapermain
Reapermain Reapermain
  • 19-12-2018

Answer:

Your answer would be c.

Step-by-step explanation:


Answer Link

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