Imaginary Numbers - Intro

Simplify

• ± 2i √10
• ± 2 √10
• ± 4i √10
• ± 4 √10

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

Simplify

• ± 6
• ± 6i
• ± √6i
• ± √6

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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

• 7 + 2i
• 7 - 2i
• 7 + 2i²
• 7 - 2i²

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify:

(4 − 7i) − (-3 + 6i)

• 7 − 13i

• 7 − i

• 1 − 13i

• 1 − i

Tags

CCSS.HSN.CN.A.2

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

• 1 + 5i
• 7 + 9i
• 1 + 9i
• -1 + 5i

Tags

CCSS.HSN.CN.A.2

Find the sum.
(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

i⁷⁹

• i
• 1
• -1
• -i

Tags

CCSS.HSN.CN.A.2

i¹³

• -1
• 1
• i
• -i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

i⁷

• i
• -i
• 1
• -1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

What letter usually represent imaginary number?

• a
• i
• j
• x

Tags

CCSS.HSN.CN.A.1