Complex Numbers

• 10
• -10
• 10i
• -10i

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

(4 - 2i) - (3 + 6i)

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

What does i² equal?

• -1

• √-1

• 1

• -√1

What letter represents an imaginary number?

• a

• i

• j

• x

√-36

• 6
• -6
• -6i
• 6i