4th Adding and Subtracting Complex Numbers

What does i² =  ?

• 1
• -1
• √-1
• √1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Calculate:
i + 6i

• 6i²
• 7i
• 5i
• 7i²

Tags

CCSS.HSA.APR.A.1

Simplify:
(3 + 2i) + (4i + 6)

• 9 + 6i
• 7i + 8
• 9 + 6i²
• 9 - 6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify
2i - 7i + 10

• 10 - 5i
• 5i
• 10 + 9i
• 10 + 5i

Tags

CCSS.HSA.APR.A.1

Simplify:
(4 + 7i) - (3 + 2i)

• 1 + 5i
• 7 + 9i
• 1 + 9i
• -1 + 5i

Tags

CCSS.HSA.APR.A.1

Calculate: 
-12i + 7i

• 19i
• -19i
• 5i
• -5i

Tags

CCSS.HSA.APR.D.7

Simplify:
(2 - 4i) + (5 + 6i)

• 7 + 2i
• 7 - 2i
• 7 + 2i²
• 7 - 2i²

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(5 − 3i) + (-6 + 2i)

• -1 -1i
• 11 + 5i
• -11 −  5i
• 11 − 1i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Calculate:
(4 − 7i) − (-3 + 6i)

• 7 − 13i
• 7 − i 
• 1 − 13i
• 1 − i 

Tags

CCSS.HSA.APR.A.1