SOLUTION: What is the absolute value of 1-4i?

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Question 544415: What is the absolute value of 1-4i?
Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!
The absolute value of a complex number a+bi is sqrt%28a%5E2+%2B+b%5E2%29


In this case a=1 and b=-4.


|1-4i| = sqrt%281%5E2+%2B+%28-4%29%5E2%29+=+sqrt%281%2B16%29+=+sqrt%2817%29

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