Question

PLEASE HELP WILL GIVE MEDALS
Simplify the number using the imaginary unit I.
sqrt( -16

Answer 1

turn the negative 16 into a positive then square toot....if its a possitive number (ex:5) it would be 5i if not its \[\sqrt{16i}\]

Answer 2

Another one is Simplify the expression.
-5+i
-----
2i

Answer 3

that one you can just put in you're calculator (-5+i)/(2i)

Answer 4

Ok so that would be the answer?

Answer 5

if the awanser is a decimal yes
\

Answer 6

wait how do i do i in my calculator? cuz i think i have to show work

Answer 7

to show work put it like this... \[\sqrt{-16}\]

Answer 8

then a arrow going down then put \[\sqrt{16}\]

Answer 9

simplify it then if its a deciaml leave it as square root of 16 if now put the number then i but with no squareroot

Answer 10

ok so 4i?

Answer 11

If that's right then im just confused on the second one

Answer 12

hello..?

Answer 13

yes you are correct, and the sceond one you just put into you're calculator as this \[\left( -5+i \right)\div \left( 2i \right)\]