gracibear gracibear

04-09-2019
Mathematics

contestada

Which expression is equivalent to √-80?
4√5
-4√5
-4i √ 5
4i √ 5

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sqdancefan sqdancefan

07-09-2019

Answer:

4i√5

Step-by-step explanation:

[tex]\sqrt{-80}=\sqrt{(-1)(16)(5)}=\sqrt{-1}\cdot\sqrt{16}\cdot\sqrt{5}=4i\sqrt{5}[/tex]

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