Question

Calculate l-10+24il.

Answer 1

Absolute value of imaginary numbers:
|a + bi| = \(\sqrt{a^2+b^2}\)

Answer 2

@StudyGurl14 do I plug that into the formula?

Answer 3

Yeah

Answer 4

So, you have |-10 + 24i|

Answer 5

that means -10 = a, and 24 =b

Answer 6

square root -10+24 = square root 14

Answer 7

remeber to square the -10 adn 24 (see formula ^)

Answer 8

http://www.wolframalpha.com/input/?i=square+root+%28-10%2B24%29

Answer 9

No, the formula is \(\large\sqrt{a^2+b^2}\)
So...\(\large\sqrt{(-10^2+(24)^2}\)

Answer 10

http://www.wolframalpha.com/input/?i=square+root+%28-10%5E2%2B%2824%29%5E2%29

Answer 11

2 square root 119

Answer 12

yeah

Answer 13

@StudyGurl14 that's the answer?

Answer 14

what about the i?

Answer 15

the lines on the l-10+24il signify magnitude right?

Answer 16

yeah

Answer 17

That's the answer, and yes, that's the magnitude