jordanm82899 jordanm82899
  • 03-01-2018
  • Mathematics
contestada

What is the absolute value of the complex number -4- sqrt 2i? A) sqrt 14 B) 3sqrt2 C)14 D)18

Respuesta :

wizard123
wizard123 wizard123
  • 03-01-2018
Remember the pythagorean theorem.

a^2 + b^2 = c^2

The complex number is a+bi,  the absolute value is 'c'

[tex]|-4-\sqrt{2} i| = \sqrt{(-4)^2 + (-\sqrt{2})^2} = \sqrt{16+2} = \sqrt{18} = 3\sqrt{2}[/tex]
Answer Link
baebt3 baebt3
  • 03-01-2021

Answer:the answer is B: 3v/2

Step-by-step explanation:

Answer Link

Otras preguntas

Last minute question emergency please
44,587 plus what equals 65,000​
Which sentence from a text is an example of comparing? There are two apples in the basket. Apples are good to eat. Both apples are bright red. One apple is larg
Heather is doing an acid-base reaction. She has 25.00 mL of hydrochloric acid of unknown concentration in a flask. She wants to add a basic solution to the acid
transfer between the blood and tissue ,? ​
Four friends go to the movies. How many different ways can they sit in a row?
Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 55.3 kg, down a theta= 79.6º slope at constant acceleration a=-4.3 m/s2, as shown
which description best defines the term season?
The total number of cupcakes soldduring 5 days was 2087. The number of cupcakes sold by the shop on Thursday was 3 times the cupcakes sold on Monday. How many c
PLEASE HELPP ! i can’t figure out slopes at alll