Complex Number Part 1

What is complex numbers?

• a number that can be expressed in the form ai + b

• a number that can be expressed in the form a + bi

• a number that can be expressed in the form a - bi

• a number that can be expressed in the form ai - b

Tags

CCSS.HSN.CN.A.1

What letter represents an imaginary number?

• a

• i

• j

• x

Tags

CCSS.HSN.CN.A.1

√-36

• 6
• -6
• -6i
• 6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

• 10
• -10
• 10i
• -10i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

CCSS.HSN.CN.C.7

What does i² equal?

• -1

• √-1

• 1

• -√1

Tags

CCSS.HSN.CN.A.1

 $i^4$ i equal to ....

• 1

•  $\sqrt{-1}$  

• -1

•  $\sqrt{1}$  

 $i^2\ +\ 1$ Evaluate the following expression:

•  $0$  

•  $1$  

•  $-1$  

•  $i$  

i⁶⁶

• 1
• i
• -1
• -i

Tags

CCSS.HSN.CN.A.2

i⁵²

• i
• -i
• 1
• -1

Tags

CCSS.HSN.CN.A.2

What is the real part of 17i?

• 17

• i

• 1

• 0