Question

Complex Numbers.
Need Help solving a problem! :)

Answer 1

-2+4i

Answer 2

how did you figure that out?

Answer 3

-8/4=-2
16i/4=+4i

Answer 4

so a =-2 and bi=+4i

Answer 5

Perfect! thats what I was thinking as well, thank you :)

Answer 6

How about this one? the one i just posted... I think it is letter choice B, but im not sure if i did it correctly.

Answer 7

the second one \[4\sqrt{3}i\]

Answer 8

sqrt48 = sqrt16*sqrt3 = 4 sqrt3

Answer 9

when you square root \[\sqrt{48}=4\sqrt{3}\] the same as\[4\sqrt{3}i\]