Complex Numbers Review

√-4

• -2
• -2i
• 2
• 2i

(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(10+3i) - (2-9i)

• 20-27i
• 12-7i
• 8+12i
• 20-27i²

Simplify
(3 + i)(1 - 4i)

• 7 - 11i
• 3 - 4i
• 3 - 11i - 4i²
• 2 - 3i

Simplify.
(5-i)(5+i)

• 26
• 24
• 25+i²
• 25-i²

Tags

CCSS.HSN.CN.C.8

The expression (2 + 3i)² is equal to

• -5
• -5 + 12i
• 13
• 13 + 12i

Tags

CCSS.HSN.CN.C.8

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.3

• A
• B
• C
• D

Tags

CCSS.HSA.APR.D.6