CCSS.Math.Content.HSN.CN.A.1

Simplify
(-6 - 2i)²

• 32
• 36-4i
• 36+24i
• 32+24i

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CCSS.Math.Content.HSN.CN.A.1

i⁶⁶

• 1
• i
• -1
• -i

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CCSS.Math.Content.HSN.CN.A.1

Simplify:
√-108

• 3i√6
• 3i√20
• 6i√3
• 20i√3

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CCSS.Math.Content.HSN.CN.A.1

Simplify
3i - (4 + 7i)

• -4 + 10i
• 21 - 12i
• 4 - 10i
• -4 - 4i

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CCSS.Math.Content.HSN.CN.A.1

Multiply
(2i)(3i)

• 5i
• -5
• 6i
• -6

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CCSS.Math.Content.HSN.CN.A.1

What does i² = ?

• -1
• √-1
• 1
• -√1

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CCSS.Math.Content.HSN.CN.A.1

Simplify the division problem: 
(2-4i)/(1+3i)

• -1-i
• (2-12i²)/10
• (5+5i)/4
• (-10-10i)/10

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CCSS.Math.Content.HSN.CN.A.1

What are the zeros of the function f(x) = x² + 64?

• -8 and 8
• -8i and 8i
• (-√8) i and (√8) i
• -√8  and √8

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CCSS.Math.Content.HSN.CN.A.1

(7-5i)(7+5i)

• 74
• 75
• 74-1

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CCSS.Math.Content.HSN.CN.A.1

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

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CCSS.Math.Content.HSN.CN.A.1