How do you find the absolute value of -7-2i?
1 Answer
Apr 2, 2017
Explanation:
The absolute value of a complex number is essentially its (Euclidean) distance from
abs(x+iy) = sqrt(x^2+y^2)
So in our example:
abs(-7-2i) = sqrt((-7)^2+(-2)^2) = sqrt(49+4) = sqrt(53)