Question

What is the absolute value of the number?3 + i
a:sqaureroot10
b:4
c:8
d:squareroot3

Answer 1

Hint:

\[\Large |a+bi| = \sqrt{a^2+b^2}\]

Answer 2

4?!

Answer 3

a = 3 and b = 1

Answer 4

plug them in

Answer 5

\[\Large |a+bi| = \sqrt{a^2+b^2}\]

\[\Large |3+1i| = \sqrt{3^2+1^2}\]

\[\Large |3+i| = ?\]

Answer 6

ok i got 9 some how

Answer 7

close

Answer 8

3^2 is 9, but that's just part of it

Answer 9

ok so now what

Answer 10

simplify \[\Large \sqrt{3^2+1^2}\]

Answer 11

what do you get

Answer 12

sqaure root10?

Answer 13

@jim_thompson5910

Answer 14

you are correct