Complex Numbers

Where is point B located?

• 2 + i

• -3

• 2i

• -1 - i

Where is point C located?

• 2 + i

• -3

• 2i

• -1 - i

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

(-7 + 9i) + (2 - 10i)

• -5 + i

• -5 - i

• -9 + 1

• 9 - i

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

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

Choose the correct answer for the operation pictured.

• 7-13i
• 7-i
• 1-13i
• 1-i

What does i² equal?

• -1

• √-1

• 1

• -√1

The expression (2 + 3i)² is equal to

• -5
• -5 + 12i
• 13
• 13 + 12i

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

• 2-19i

• 23-i

• 34+5i

• 23-i

(-5 + 10i)(-5 - 10i) = 125

• True

• False