Complex Numbers Review

i¹³

• -1
• 1
• i
• -i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

i⁶⁶

• 1
• i
• -1
• -i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i
• B.  -23 - 29i
• C.  -34 + 13i
• D.  -34 - 29i

Tags

CCSS.HSA.APR.A.1

Simplify.

• -5i
• 5
• 5i
• -5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify: 
(7 + 2i)(9 - 6i)

• 75-24i
• 63 - 24i  - 12i²
• 51 - 24i
• 58 + 60i

Tags

CCSS.HSA.APR.A.1

Simplify:
√-108

• 3i√6
• 3i√20
• 6i√3
• 20i√3

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

What is the complex conjugate of  4-3i?

• A.  1/(4-3i)
• B. 1/(4+3i)
• C.  -4 + 3i
• D.  4 + 3i

Tags

CCSS.HSA.APR.A.1

• A.
• B.
• C.
• D.

Tags

CCSS.HSA.APR.A.1

Choose the answer that represents the rationalized complex number.

• (4-3i)/25
• 35/(16-9i)
• 20i/(4-3i)
• (3+4i)/5

Tags

CCSS.HSA.APR.A.1

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.2