Algebra 2 Homework_10.23 4B (USE PAPER & PENCIL!)

 $Simply\ 2\sqrt{-32}$   

• 2i√32

• 4i√2

• 8i√2

• -16i√2

What does i² =  ?

• 1
• -1
• √-1
• √1

Tags

CCSS.HSN.CN.A.1

Calculate (multiply):
 (4 + 3i)(4 − 3i)

• 16 − 9i²
• 25
• 7
• 8 − 6i

Tags

CCSS.HSN.CN.C.8

Find the conjugate of:
5 + 7i

• 5 − 7i
• -5 − 7i
• -5 + 7i

Tags

CCSS.8.EE.A.2

Simplify

• 5i
• -5i
• ±5i
• ±

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify

• ± 2 √5
• ± 4 √5
• ± 5 √2
• ± 5 √4

Tags

CCSS.HSN.RN.A.2

Which quadratic has COMPLEX roots?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Simplify

• 17i
• 16i
• -16
• -16i

• 7

• -7

• 7i

• -7i

Tags

CCSS.8.EE.A.2

Calculate:

• -3i / 5
• 3i²/ 5i
• -3i²/ -5i
• 3i / 5i²

Tags

CCSS.HSN.CN.A.3