Complex Number Arithmetic

Multiply: 
(4 – 3i)(-7 – 2i)

•   -23 + 13i

•   -23 - 29i

•   -34 + 13i

•   -34 - 29i

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CCSS.HSN.CN.A.2

• A
• B
• C
• D

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CCSS.HSN.CN.A.3

• A
• B
• C
• D

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CCSS.HSN.CN.A.3

(5-4i)(-3-6i)(-8-3i)

• 54-363i

• 258+261i

• 198+309i

• 12+114i

Simplify
(-6 - 2i)²

• 32

• 36-4i

• 36+24i

• 32+24i

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CCSS.HSN.CN.C.8

Simplify:
(3 + 2i) + (4i + 6)

• 9 + 6i

• 7i + 8

• 9 + 6i²

• 9 - 6i

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CCSS.HSN.CN.A.2

(2i)(3i)

• 5i

• -5

• 6i

• -6

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CCSS.HSN.CN.A.2

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

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CCSS.HSN.CN.A.1

(-7+6i)²

• 49+36i

• 85

• 13-84i

• 13+84i

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CCSS.HSN.CN.C.8

• A
• B
• C
• D

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CCSS.HSN.CN.A.3