Complex Numbers Quiz Review

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.2

Multiply
(2i)(3i)

• 5i
• -5
• 6i
• -6

Tags

CCSS.HSN.CN.A.2

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.3

• i

• -1

• -i

• 1

Tags

CCSS.HSN.CN.A.2

• A
• B
• C
• D

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CCSS.HSN.CN.A.3

Which of the following are true? Select all that apply.

• i = i

• i² = -1

• i³ = -i

• i⁴ = 1

Tags

CCSS.HSN.CN.A.2

Simplify using the powers of i.

i²⁴

• i

• 1

• -1

• -i

Tags

CCSS.HSN.CN.A.2

i¹³

• -1

• 1

• i

• -i

Tags

CCSS.HSN.CN.A.2

(-4i)(3i)(4i)

• 24
• -48i
• 48i
• 60

Tags

CCSS.HSN.CN.A.2

• A
• B
• C
• D

Tags

CCSS.HSN.CN.C.8