M2M3B

Simplify √-1

• 1
• -i
• -1
• i

Match the following imaginary variables to their equivalent form.

• -1

Evaluate i¹³

• -1

• 1

• i

• -i

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

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

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

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

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

(2i)(3i)

• 5i
• -5
• 6i
• -6