Complex & Imaginary Numbers

Calculate:
i + 6i

• 6i²
• 7i
• 5i
• 7i²

Tags

CCSS.HSA.APR.A.1

Calculate:
2i × 4i

• 8i
• 6i
• 8i²
• 6i²

Tags

CCSS.HSN.CN.A.2

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

What does i² =  ?

• 1
• -1
• √-1
• √1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Calculate:
-4 (13 + 5i) 

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

Tags

CCSS.HSA.APR.A.1

6i (-5 + 10i)

• -30i + 60i²
• 30i − 16i²
• 11i + 60i²
• -11i²+ 16i

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