4-4 COMPLEX NUMBERS

Where is point C located?

• 2 + i

• -3

• 2i

• -1 - i

Tags

CCSS.HSN.CN.B.4

• 5i
• -5i
• 5+i
• -5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

 $Simplify.\ \ \sqrt{-6}\left(\sqrt{-14}\right)$  

•  $\sqrt{84}$  

•  $-\sqrt{84}\$  

•  $2\sqrt{21}$  

•  $2\sqrt{21}\ i$  

•  $-2\sqrt{21}$  

Tags

CCSS.HSN.CN.A.2

• 
• 
• 
• 

Tags

CCSS.HSN.RN.A.2

• A

• B

• C

• D

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

Tags

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
(-6 - 2i)²

• 32
• 36-4i
• 36+24i
• 32+24i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify:
(-3i)(4i)(-5i)

• -60i
• 60
• -60
• 60i

Tags

CCSS.HSA.APR.A.1

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.3