Complex Number Representation

What is the result of adding Z1 and Z2, where Z1 = 3 + 2i and Z2 = -4 + i?

• -1 + 3i

• -1 - 3i

• 1 + 3i

• 1 - 3i

What is the resulting complex number when Z1 and Z2 are added as vectors?

• Z1 + Z2

• Z1 - Z2

• Z2 - Z1

• Z1 * Z2

What is the representation of the complex number 7 + i on an argand diagram?

• 7 units to the right, 1 unit up

• 7 units to the left, 1 unit down

• 7 units to the right, 1 unit down

• 7 units to the left, 1 unit up

What replaces the x-axis in an argand diagram when representing complex numbers?

• The real part

• The imaginary part

• The complex conjugate

• The magnitude

What is the relationship between complex numbers and vectors on an argand diagram?

• Complex numbers and vectors are unrelated

• Complex numbers can be represented as vectors on an argon diagram

• Vectors can be represented as complex numbers on an argon diagram

• Complex numbers and vectors have a similar representation on an argon diagram

What is the resulting complex number when Z1 and Z2 are subtracted as vectors?

• Z1 + Z2

• Z1 - Z2

• Z2 - Z1

• Z1 * Z2

Which of the following is the correct representation of a complex number in rectangular form?

• Z= a * jb

• Z= a / jb

• Z= a + jb

• Z= a - jb

What complex number does this graph represent?

Write the complex number shown in the graph.

g

Argand plane is used to represent a complex number in a two-dimensional plan.

• True

• False