Operations with Complex Numbers

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSN.CN.A.1

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.5

• A

• B

• C

• D

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

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

• -18

• -18i

• 18

• -18i²

Tags

CCSS.HSN.CN.A.2

(3+4i)(-8-i)

• -5+3i

• -24-4i

• -24-4i²

• -20

• -20-35i

Tags

CCSS.HSA.APR.A.1

• 21 - 16i

• 21 -24i

• 11 - 16i

• 11 - 24i

Tags

CCSS.HSA.APR.A.1

• 2 + 12i

• -34 + 12i

• 34 + 12i

• -2 + 12i

Tags

CCSS.HSA.APR.A.1

• 8 + 14i

• 3 + 14i

• 13 + 14i

• 11 + 14i

Tags

CCSS.HSA.APR.A.1

• 15i

• 9 + 6i

• -3i

• -9 + 6i

Tags

CCSS.HSA.APR.A.1