Simplify Complex numbers & Powers of i

What is the letter used to represent an imaginary number?

• x
• i
• y
• 0

Tags

CCSS.HSN.CN.A.1

What is the definition of an imaginary number?

• x
• -1
• √-1
• origin

Simplify:
√-81

• 9i
• 81i
• -9
• -9i

Simplify:
√-24

• 4i√6
• -2i√6
• 24i
• 2i√6

Simplify:
3√-75

• 3i√3
• 15i√3
• 9i√5
• -15i√3

Simplify:
√-11⋅√-11

• 121
• 11
• -11
• i¹¹

Tags

CCSS.HSN.CN.A.2

What is i²²?

• i
• -1
• -i
• 1

Tags

CCSS.HSN.CN.A.2

What is i⁵+i⁷?

• -i
• i
• -1
• 0

Tags

CCSS.HSN.CN.A.2