Question

Can someone please explain how to solve this!
simplify the expressions using imaginary numbers
sqrt. -16

Answer 1

-16 = -1*16 right?

Answer 2

Yes

Answer 3

then split the radical and work the definitions ...

Answer 4

\[\sqrt{-16}\]
\[\sqrt{-1*16}\]
\[\sqrt{-1}~\sqrt{16}\]

Answer 5

would that be the answer?

Answer 6

@amistre64 ?

Answer 7

can sqrt(16) be simplified?

can sqrt(-1) be simplified? or restated?

Answer 8

sites getting laggy, at least on my end ...

Answer 9

the sqrt of 16 is 4 right?

Answer 10

yes

Answer 11

and by definintoin, i = sqrt(-1)

Answer 12

is the answer

Answer 13

no, sqrt(16) is not sqrt(4) .....

4i is fine

Answer 14

oh okay thanks !

Answer 15

youre welcome