Complex Numbers Lesson

Simplify:
-3i(4 + 2i)

• 6 - 12i
• 6 + 12i
• -12i - 6i²
• -12i + 6i²

What is the simplified form of the above?

• 7/10 + 11/10 i

• 13/10 +1/10 i

• 5/4 - 3/2i

• 7/10 - 11/10 i

Choose the correct answer for the operation pictured.

• 7-13i
• 7-i
• 1-13i
• 1-i

Simplify
2i - 7i + 10

• -5i+10
• 5i
• 9i+10
• 5i+10

Simplify
3i - (4 + 7i)

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

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

• -18

• -18i

• 18

• -18i²

• A
• B
• C
• D

Simplify:  (4+2i)/(3-i)

• 1-i
• 1+i
• 10+10i
• 1+10i

Simplify (8 + 2i) - (2 - 3i)

• 22 - 28i

• 6 + 5i

• 6 - i

• 10 + i

• A

• B

• C

• D