Question

12.the square root of the negative of negative 9 squared = ?
(Note: i = the square root of negative 1 )

Answer 1

Since the negative 9 is squared, you would get 81. So you would have the square root of a negative 81. Therefore you would have the square root of negative one (i) times the square root of 81 (9). So, the answer is 9i.