Operations of Complex Numbers

What is the simplified form of (-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

What is the simplifies form of (11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

What is the simplified form of (-6i)(3i)

• -18

• -18i

• 18

• -18i²

 $i^{127}$  simplifies to...

• 1

• -1

• -i

• i

Simplify
2i - 7i + 10

• -5i+10
• 5i
• 9i+10
• 5i+10

(21+2i)+(13+8i)

• -34+10i

• 34+10i

• 34+10

• 8-6i

What does i² = ?

• -1
• √-1
• 1
• -√1

What is the simplifies form of (11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

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

• -9i
• -5+2i
• 1-10i
• 1-2i

Simplify.
i³²

• i
• -i
• -1
• 1