Simplify the number using the imaginary unit i.

Question

square root -28
(1 point)
Responses

2 square root -7
Image with alt text: 2 square root -7

-2 square root -7
Image with alt text: -2 square root -7

i square root 28
Image with alt text: i square root 28

2i square root 7

Answer 1

Image: 2i square root 7