Complex Number Multiplication

(-7+6i)²

• 49+36i

• 85

• 13-84i

• 13+84i

(3+4i)(-8-i)

• -5+3i

• -24-4i

• -24-4i²

• -20

• -20-35i

The unit imaginary number (like 1 for Real Numbers) is i, which is the square root of ____

• 1

• 2

• -2

• -1

(6+i)(-3+6i)

• 3+7i

• -18+6i

• -18+12i

• -24+33i

Multiply: 
(4 – 3i)(-7 – 2i)

•   -23 + 13i

•   -23 - 29i

•   -34 + 13i

•   -34 - 29i

• A
• B
• C
• D

(2i)(3i)

• 5i

• -5

• 6i

• -6

Which of the following is used to find the product of two Complex Number in rectangular form?

• Distributive Property of Multiplication

• Multiplying by Complex Conjugate

• Combine like terms

• LCD

What is the simplified form of (8 -3i)²?

• 55 + 48i

• 73

• 16 - 6i

• 55 - 48i

Which of the following enables us to find the powers of a complex number.

• De Moivre's Theorem

• Complex Roots Theorem

• Distributive Property of Multiplication.

• Foil Method