Respuesta :

What is the simplified form of the expression square root of -64

we have

[tex]\sqrt[]{-64}[/tex]

Remember that

64=2^6

and

i^2=-1

substitute

[tex]\sqrt[]{-64}=\sqrt[]{(-1)(2^6)}=\sqrt[]{i^2\cdot2^6}=2^3i=8i[/tex]

option B

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