Concepts in complex numbers

the number line in the coordinate plane that is vertical

• x - axis

• y - axis

Tags

CCSS.HSN.CN.B.4

 $\sqrt{2}cis270$ 

Write the complex number in rectangular form 

•  $-\sqrt{2}$  

•  $i\sqrt{2}$   $.$  

•  $\sqrt{2}$  

•  $-i\sqrt{2}$  

Tags

CCSS.HSN.CN.B.4

Which shape is in Quadrant IV?

• 
• 
• 
• 

Tags

CCSS.HSN.CN.B.4

Convert from Polar to Cartesian

• X = 11.27 , Y = 4.10

• X = 32.20 , Y = 10.23

• X = 20.14 , Y = 34.7

• X = 11.26, Y = 4.09

Tags

CCSS.HSN.CN.B.4

Write the complex number in rectangular form

9(cos 180 + i sin180)

• -9i

• -9

• 9i

• 0

Tags

CCSS.HSN.CN.B.4

Which graph represents the complex number  $3-4i$  ?

• 
• 
• 
• 

Tags

CCSS.HSN.CN.B.4

Which point is the graph of -3+2i?

Tags

CCSS.HSN.CN.B.4

In the complex plane, the horizontal axis if referred to as the ____ axis and the vertical axis is called the _____ axis

• real, imaginary
• imaginary, real
• complex, standard
• standard, cartesian

Tags

CCSS.HSN.CN.B.4

Which shape is in Quadrant I?

• 
• 
• 
• 

Tags

CCSS.HSN.CN.B.4