Operations with Complex Numbers

What is the simplified form of (-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

Tags

CCSS.HSN.CN.A.2

What is the simplifies form of (11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

Tags

CCSS.HSN.CN.A.2

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSN.CN.A.1

What is the simplified form of (-6i)(3i)

• -18

• -18i

• 18

• -18i²

Tags

CCSS.HSN.CN.A.2

Multiply
3i(-2 + 4i)

• -6+12i
• -12-6i
• -2+7i
• 12+6i

Tags

CCSS.HSN.CN.A.2

What is the simplified form of (-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

Tags

CCSS.HSN.CN.A.2

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.5

• 1

• i

• -1

• -i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.2

• i

• 4

• 1

• -1

Tags

CCSS.HSN.CN.A.1