Operations with Complex Numbers

-6i+3i

• 3i
• -3i
• -2i
• -3i²

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(5 - 2i) + (-7 + 8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(10 + 3i) - (2 - 9i)

• 20 - 27i

• 12 - 7i

• 8 + 12i

• 20 - 27i²

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(i)(3i)

• -3i

• -3

• 3

• 2i

Tags

CCSS.HSN.CN.A.2

Multiply
3i(-2 + 4i)

• -6+12i
• -12-6i
• -2+7i
• 12+6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2