Question

Which choice is equivalent to the expression below?

-27
O A. -3,37
B. 3:45
O C. - 27
O D. -3/3
O E. 343

Answer 1

B. 3i√3

Explanation:

`√(-27) = √(-1*3*3*3)=3√(-1*3)`

we have

-1=i²

so

=
`3√(i²*3)`

=3i
`√(3)`

Option B.3i
`√(3)`

Answer 2

• B. 3i√3

Explanation:

• 
  `√(-27) =`
• 
  `√(-1*3*9) =`
• 
  `3√(-1) √(3) =`
• 
  `3i√(3)`

Correct choice is B