Review - Algebra 2 Quadratics, Complex Nos, Exponents

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

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

Simplify: 
(7 + 2i)(9 - 6i)

• 75-24i
• 63 - 24i  - 12i²
• 51 - 24i
• 58 + 60i

What is the conjugate you would multiply by?

• -1-5i

• 1+5i

• 1-5i

• -1+5i

(2-3i)(2+3i)

• 13

i⁷⁹

• i
• 1
• -1
• -i

What is i¹²⁹?

• -i
• i
• 1
• -1

Which expression is equivalent to (3 - 4i) –(3 + 5i)?

• -9i
• -9
• 3-9i
• 3

Which expression is equivalent to (-6 + i)²?

• 36 - 12i
• 35 - 12i
• 36i²
• 35i

Simplify the division problem: 
(2-4i)/(1+3i)

• -1-i
• (2-12i²)/10
• (5+5i)/4
• (-10-10i)/10