Complex Numbers

What letter represents an imaginary number?

• a

• i

• j

• x

Tags

CCSS.HSN.CN.A.1

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

Tags

CCSS.HSN.CN.A.1

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSN.CN.A.1

• 10
• -10
• 10i
• -10i

• 5i
• -5i
• 5+i
• -5

Tags

CCSS.HSN.RN.A.2

Simplify:
i⁷

• i
• -i
• 1
• -1

Tags

CCSS.HSN.CN.A.1

Simplify   i²³

• i
• -1
• 1
• -i

Tags

CCSS.HSN.CN.A.2

 $i+6i$  

Tags

CCSS.HSN.CN.A.2

 $-4i\cdot5i$  

Tags

CCSS.HSN.CN.A.2

 $\left(-3+2i\right)\left(-6-8i\right)$  

Tags

CCSS.HSN.CN.A.2