Find the modulus of - 2 - 6i.

40

-40

6.3

-6.3

Question

Lola Barrera

Mathematics

31 March, 15:22

Find the modulus of - 2 - 6i.

40

-40

6.3

-6.3

+4

Answers (1)

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Clinton · Answer 1

The modulus of complex number can be computed with this equation:

|z|=sqrt (Re (z) ^2+Im (z) ^2)

z = - 2-6i

Re (z) = - 2, so Re (z) ^2=4

Im (z) = - 6, so Im (z) ^2=36

|z|=sqrt (36+4) = sqrt (40) = 6.3

Find the modulus of - 2 - 6i.40-406.3-6.3

Find the modulus of - 2 - 6i.

40

-40

6.3

-6.3