Complex Numbers (the basics)

What is the result of adding (3 + 2i) and (5 - 4i)?

• 10 - 6i

• 7 - 3i

• 2 + 6i

• 8 - 2i

Tags

CCSS.HSN.CN.A.2

Simplify the expression (4 + 3i) - (2 - 5i).

• 2 + 8i

• 5 - 8i

• 1 + 2i

• 6 - 2i

Tags

CCSS.HSN.CN.A.2

Find the sum of (2 + 3i) and (-4 - 2i).

• i -2

• -2 + i

• 1 - 5i

• 6 - 5i

Tags

CCSS.HSN.CN.A.2

What is the result of raising i to the power of 4?

• 4

• 0

• 1

• -1

Tags

CCSS.HSN.CN.A.2

• -1

• 1

• i

• -i

Tags

CCSS.HSN.CN.A.2

• 0

• -i

• 1

Tags

CCSS.HSN.CN.A.2

• i

• -1

• 1

• -i

Tags

CCSS.HSN.CN.A.2

• 2i√6

• 2√6

• 6i√2

• 6√2