Complex/Imaginary 2

what is the conjugate?

• a
• b
• c
• d

Tags

CCSS.6.EE.A.2B

 Evaluate

• 5i
• -5i
• 5+i
• -5

Simplify:
3√-81

• -27
• 3i√3
• 27i
• 9i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

 Simplify

• A
• B
• C
• D

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSN.CN.A.1

Simplify:
√-81

• 9i
• 81i
• -9
• -9i

What is the conjugate of -2+5i?

• -5+2i
• -2-5i
• 2+5i
• 5-2i

Tags

CCSS.HSN.CN.A.3

Simplify

• a
• b
• c
• d

Tags

CCSS.HSN.CN.A.2

Simplify

• A
• B
• C
• D

Simplify:  (4+2i)/(3-i)

• 1-i
• 1+i
• 10+10i
• 1+10i

Tags

CCSS.HSA.APR.A.1