Equations with Real and Imaginary Numbers

√-4

• -2

• -2i

• 2

• 2i

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.2

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.2

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSN.CN.A.1

(2i)(3i)

• 5i
• -5
• 6i
• -6

Tags

CCSS.HSN.CN.A.2

• A
• B
• C
• D

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.3

(-3-i)(6-i)

• -21-7i
• -19-3i
• -15-5i
• -17-9i

Tags

CCSS.HSN.CN.A.2

Simplify:
-3i(4 + 2i)

• 6 - 12i
• 6 + 12i
• -12i - 6i²
• -12i + 6i²

Tags

CCSS.HSN.CN.A.2

Simplify.

• -5i
• 5
• 5i
• -5