SOLUTION: Find the absolute value of each complex number 1. 7i 2. 12 3. -3 - 2i

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson  -> Lesson -> SOLUTION: Find the absolute value of each complex number 1. 7i 2. 12 3. -3 - 2i      Log On


   

Question 256188: Find the absolute value of each complex number
1. 7i
2. 12
3. -3 - 2i
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
absolute value refers to magnitude and distance.
1. 7i
abs%287i%29 = 7
2. 12
abs%2812%29 = 12
3. -3 - 2i
abs%28-3-2i%29 = sqrt%28%28-3%29%5E2%2B+%28-2%29%5E2%29
This is
sqrt%289%2B4%29 = sqrt%2813%29