Question

Using imaginary numbers:
solve for the absolute value of the following complex numbers: 6-8i

Answer 1

This right?
\[\left| 6-8i \right|\]

Answer 2

i guess, i did not understand it during algebra. 6-8i is exactly what it says on my worksheet.

Answer 3

Because there's no need to use imaginary numbers. It's just this:
\[\sqrt{(6)^2+(-8)^2}\]
\[=\sqrt{100}\]

Answer 4

It's using Pythagoras thereom.

Answer 5

I can draw it for you to better understand it.

Answer 6

oh, ok. so just square everything and put it all under a square root?

Answer 7

and then whatever the square root is is your answer?