Unit 2A Review for Advanced Algebra Honors

Simplify: 
(7 + 2i)(9 - 6i)

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

What does i² = ?

• -1
• √-1
• 1
• -√1

Simplify:
√-108

• 3i√6
• 3i√20
• 6i√3
• 20i√3

Simplify
3i - (4 + 7i)

• -4 + 10i
• 21 - 12i
• 4 - 10i
• -4 - 4i

Multiply
(2i)(3i)

• 5i
• -5
• 6i
• -6

i⁶⁶

• 1
• i
• -1
• -i

i⁵²

• i
• -i
• 1
• -1

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

• 73

• 16 - 6i

• 55 + 48i

• 55 - 48i

• A
• B
• C
• D

• A
• B
• C
• D