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Type: Multiple-Choice
Category: Complex Numbers
Level: Grade 11
Standards: HSN-CN.B.5
Author: nsharp1
Created: 5 years ago

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Complex Numbers Question

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Let z1=4+4i and z2=-1+3i.

Grade 11 Complex Numbers CCSS: HSN-CN.B.5

What is the relationship between the answers in parts b and c and the answer in part d?
  1. The moduli of z1 and z2 multiplied together equals the modulus of z1z2, and the arguments of z1 and z2 added together equals the argument of z1z2.
  2. The moduli of z1 and z2 multiplied together equals the modulus of z1z2, but the arguments have no special relationship.
  3. The moduli have no special relationship, but the arguments of z1 and z2 added together equals the argument of z1z2.
  4. There is no relationship.