Quiz prep

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

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

(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

√-36

• 6
• -6
• -6i
• 6i

What letter represents an imaginary number?

• a

• i

• j

• x

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

3i + 2i

• 5i
• 5i²
• 6i
• -5