Question

What is the absolute value of the number?
3 + i

Answer 1

\[|x+yi|=\sqrt{x^2+y^2}\]

Answer 2

So it's 4?

Answer 3

You have |3+1i|.
So Replace x with 3 and y with 1, then evaluate \[\sqrt{3^2+1^2}\]

Answer 4

when I solve I get 3.16. but my choices are:
square root 10
4
8
square root 3

Answer 5

so it would be square root of 10? Thanks :)

Answer 6

Yes nine plus one is ten.