Quiz on Complex Numbers

(1-3i)(2+5i)

• 22-i

• 16-i

• 17-i

• A
• B
• C
• D

√-81

• 9i

• -9i

• -9

• 9

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

3i(4 - i)

• 9i

• -3 +12i

• 12 - 3i

• 3 + 12i

Simplify i³⁷

• 1

• i

• -i

• -1

Simplify i²⁴

• i

• 1

• -1

• -i

• 10
• -10
• 10i
• -10i

i⁶⁶

• 1

• i

• -1

• -i