COMPLEX NUMBERST TEST

(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

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CCSS.HSN.CN.A.2

(2i)(3i)

• 5i
• -5
• 6i
• -6

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CCSS.HSN.CN.C.8

• A
• B
• C
• D

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CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

(-3-i)(6-i)

• -21-7i
• -19-3i
• -15-5i
• -17-9i

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CCSS.HSN.CN.A.2

Simplify.

• -5i
• 5
• 5i
• -5

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CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

Simplify:
-3i(4 + 2i)

• 6 - 12i
• 6 + 12i
• -12i - 6i²
• -12i + 6i²

Tags

CCSS.HSN.CN.A.2

Simplify: 
(10+ 15i) - (48 - 30i)

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

Tags

CCSS.HSN.CN.A.2

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

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CCSS.HSN.CN.A.1

Simplify

 $\sqrt{-23}\cdot\sqrt{-46}$  

•  $i23\sqrt{2}$  

•  $-23\sqrt{2}$  
  

•  $-46\sqrt{2}$  

•  $-23i\sqrt{2}$  

Tags

CCSS.HSN.CN.A.2

Simplify: i³¹

• i

• -i

• 1

• -1

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CCSS.HSN.CN.A.2