Alg 2 Imaginary and Complex Numbers

Calculate:

2i × 4i

• 8i

• 6i

• 8i²

• 6i²

• -8

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

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

Find the conjugate of:
-4 − 8i

• -4 + 8i
• 4 − 8i
• 4 + 8i

Tags

CCSS.HSN.CN.A.3

Calculate:

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

Tags

CCSS.HSN.CN.A.1

• 7

• -7

• 7i

• -7i

Tags

CCSS.8.EE.A.2

• 6i√5

• -8√5

• 8i√5

• -8i√5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2