Operations with Complex Numbers

• A

• B

• C

• D

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CCSS.HSN.CN.C.8

What is the simplified form of (-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

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CCSS.HSN.CN.A.2

• 8 + 14i

• 3 + 14i

• 13 + 14i

• 11 + 14i

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CCSS.HSN.CN.C.8

• 15i

• 9 + 6i

• -3i

• -9 + 6i

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CCSS.HSN.CN.A.2

• A

• B

• C

• D

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CCSS.HSN.CN.A.2

• A

• B

• C

• D

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CCSS.HSN.CN.A.2

A complex number can be expressed as a + bi. What does a represent?

• the real part of the complex number

• the imaginary part of the complex number

• depends on the sign of the number

• the square root of the complex number

Tags

CCSS.HSN.CN.A.1

Simplify

(12 - 4i) + (-2 + 8i)

• 8 + 104i

• 10 + 4i

• 14 - 4i

• 10 - 12i

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CCSS.HSN.CN.A.2

What is the conjugate of -2+5i?

• -5+2i
• -2-5i
• 2+5i
• 5-2i

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CCSS.HSN.CN.A.3

• 7 - 13i

• 1 - 13i

• -7 + 13i

• -1 - 3i

Tags

CCSS.HSN.CN.A.2