Imaginary

What is i¹²⁹?

• -i

• i

• 1

• -1

Tags

CCSS.HSN.CN.A.2

Simplify -√-8

• -i√8

• -2i√2

• 2i√2

• -8i

Calculate:
i + 6i

• 6i²

• 7i

• 5i

• 7i²

Tags

CCSS.HSN.CN.A.2

Calculate:
(4 − 7i) − (-3 + 6i)

• 7 − 13i

• 7 − i 

• 1 − 13i

• 1 − i 

Tags

CCSS.HSN.CN.A.2

Calculate: 
(1 − 2i) + (-4 + 2i)

• -3

• -3 − 4i

• 5 − 4i

• 5

Tags

CCSS.HSN.CN.A.2

Calculate:
-4 (13 + 5i) 

• -52 − 20i

• 9 + i

• 17 − 20i

• -52 + 20i

Tags

CCSS.HSN.CN.A.2

Calculate (multiply):
(1 − 2i)(6 + 5i)

• 16 − 7i

• -16 + 7i

• -16 − 7i

• 16 + 7i

Tags

CCSS.HSN.CN.A.2

Simplify

• ± 4i √2

• ± 4 √2

• ± 2i √8

• ± 2 √8

Simplify

• ± 6

• ± 6i

• ± √6i

• ± √6

Simplify

• ± 10i

• ± 10

• ± √10i

• ± √10