Add, Subtact and Multiply imaginary numbers

8i + 8i

• -6 - 2i
• 16i
• 6 - 2i
• 8 + 8i

Tags

CCSS.HSN.CN.A.2

-7 + 2 - 4i

• 9 - 4i
• -5 + 4i
• -4 -4i
• -5 - 4i

Tags

CCSS.HSN.CN.A.2

(-2 + 7i)(-2 + 2i)

• -10 + 8i
• -10 - 18i
• 18 - 10i
• -18 - 10i

Tags

CCSS.HSA.APR.A.1

(-5 + 6i)(3 - 2i)

• -15 + 18i
• -3 + 28i
• -3 - 28i
• 27 + 8i

Tags

CCSS.HSN.CN.A.2

Simplify.

• -5i
• 5
• 5i
• -5

i¹³

• -1
• 1
• i
• -i

Tags

CCSS.HSN.CN.A.2

i⁶⁶

• 1
• i
• -1
• -i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

What does i² =  ?

• 1
• -1
• √-1
• √1

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

Simplify: 
(10+ 15i)-(48 - 30i)

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

Tags

CCSS.HSN.CN.A.2

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

• 16 − 9i²
• 25
• 7
• 8 − 6i

Tags

CCSS.HSN.CN.C.8