what is the absolute value of what is the absolute value of -4-sqrt(2)i

+9

(1) Answers

bmgreene60

The absolute value of a complex number a+bi is the distance from the point (0,0) to the point (a,b) in the complex plane. By pythagoras the distance is therefore
sqrt((-4)^2+sqrt(2)^2)=sqrt(16+2)=sqrt(18)