Understanding the Imaginary Unit Quiz

What is the definition of the number i?

• The number whose square is equal to 1

• The number whose square is equal to -1

• The number whose square is equal to 0

• The number whose cube is equal to -1

What is i to the second power?

• 1

• 0

• i

• -1

What is i to the fourth power?

• i

• -1

• 1

• 0

What is i to the sixth power?

• 0

• 1

• -1

• i

What is i to the eighth power?

• i

• 1

• -1

• 0