Complex Numbers

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

Tags

CCSS.HSN.CN.A.1

What letter represents an imaginary number?

• a

• i

• j

• x

Tags

CCSS.HSN.CN.A.1

What is the "real part" of this complex number:

 $8\ +\ 2i$  

• 8

• 2i

Tags

CCSS.HSN.CN.A.1

What is the "imaginary part" of this complex number:

 $8\ +\ 2i$  

• 8

• 2i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

What is the "imaginary part" of this complex number:

 $–14–5i$  

• -14

• -5i

• 14

• 5i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

What is the "real part" of this complex number:

 $–14\ –\ 5i$  

• -14

• -5i

• 14

• 5i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

What is the "real part" of the complex number:
 $-2+7i$  

• 2

• -2

• 7i

• -7i

Tags

CCSS.HSN.CN.A.1

What is the "imaginary part" of the complex number:
 $-2\ +\ 7i$  

• 2

• -2

• 7i

• -7i

Tags

CCSS.HSN.CN.A.1

Where is point B located?

• 2 + i

• -3

• 2i

• -1 - i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.5

Where is point C located?

• 2 + i

• -3

• 2i

• -1 - i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.5