Simplifying Radicals & Complex Number operations

Simplify:
√96

• 16√6
• 6√16
• 9√6
• 4√6

√48

• 4√2
• 6√3
• 4√3
• 4√2

• 2x

• 2

• 2i

• -2

What does i² = ?

• -1
• √-1
• 1
• -√1

Find the sum.
(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

(7 - 5i)(7 + 5i)

• 74
• 24
• 49 - 25i
• 49 + 25i

Simplify   i²³

• i
• -1
• 1
• -i

Simplify: (i)⁵²

• i

• -1

• -i

• 1