SOLUTION: Find the absolute value of each complex number. 19. 7i 20. 12 21. -3 - 2i 22. Writing Explain how to find the absolute value of any complex number.

Algebra ->  College  -> Linear Algebra -> SOLUTION: Find the absolute value of each complex number. 19. 7i 20. 12 21. -3 - 2i 22. Writing Explain how to find the absolute value of any complex number.      Log On


   

Question 177851: Find the absolute value of each complex number.

19. 7i
20. 12
21. -3 - 2i
22. Writing Explain how to find the absolute value of any complex number.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


I'll do #22, and then you will know what to do with the other three.

For any complex number , the absolute value of z is given by . If either the real part or the imaginary part of the complex number is missing, then that part has a value of zero.