Imaginary & Complex Numbers

Calculate:
(4 − 7i) − (-3 + 6i)

• 7 − 13i
• 7 − i 
• 1 − 13i
• 1 − i 

Tags

CCSS.HSA.APR.A.1

Calculate: 
(1 − 2i) + (-4 + 2i)

• -3
• -3 − 4i
• 5 − 4i
• 5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Calculate: 
-12i + 7i

• 19i
• -19i
• 5i
• -5i

Tags

CCSS.HSA.APR.D.7

Calculate:
-4 (13 + 5i) 

• -52 − 20i
• 9 + i
• 17 − 20i
• -52 + 20i

Tags

CCSS.HSA.APR.A.1

Simplify:  $6i(-5+10i)$  

•  $-60-30i$  

•  $30i+60$  
  

•  $-30i+60i^2$  
  

•  $60i-30$  
  

Tags

CCSS.HSA.APR.A.1

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

• 16 − 9i²
• 25
• 7
• 8 − 6i

Tags

CCSS.HSN.CN.C.8

Calculate (multiply):
(1 − 2i)(6 + 5i)

• 16 − 7i
• -16 + 7i
• -16 − 7i
• 16 + 7i

Tags

CCSS.HSA.APR.A.1

Simplify: √-64

• -8
• 8i
• -8i
• 8

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

Simplify: √-25

• 5
• -5
• 5i
• -5i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify: √-100

• 10i
• -10i
• 10
• -10

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2