Complex Number

Question 1

Which of the following represents a complex number?

Accepted Answer

1

Question 2

What is the sum of (3 + 4i) and (2 - 5i)?

Accepted Answer

0

Question 3

What is the product of (1 + 2i) and (3 + 4i)?

Accepted Answer

0

Question 4

What is the conjugate of the complex number 7 - 3i?

Accepted Answer

0

Question 5

What is the modulus of the complex number 6 + 8i?

Accepted Answer

0

Question 6

If z = 4 + 3i, what is the argument of z?

Accepted Answer

0

Question 7

What is the result of dividing (8 + i) by (3 - 2i)?

Accepted Answer

2

Question 8

Which of the following complex numbers is purely imaginary?

Accepted Answer

0

Question 9

What is the polar form of the complex number 1 + i?

Accepted Answer

0

Question 10

What is the absolute value of the complex number 3 + 4i?

Accepted Answer

2

Question 11

What is the fourth root of 1?

Accepted Answer

0

Question 12

What is the principal square root of -i?

Accepted Answer

1

Question 13

What does the modulus of a complex number represent geometrically?

Accepted Answer

1

Question 14

Which complex number has a modulus of 5 and an argument of π/2?

Accepted Answer

0

Question 15

What is the effect of rotating a complex number by 90 degrees counterclockwise?

Accepted Answer

0