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Complex Numbers (Conjugates, Division, Modulus)




 



Videos and lessons to help High School students know how to find the conjugate of a complex number; use conjugates to find moduli and quotients of complex numbers.

Suggested Learning Targets

  • I can use conjugates to divide complex numbers.
  • I can find the moduli of complex numbers.

Common Core: HSN.CN.A.3

Related Topics:
Common Core (The Complex Number System)

Common Core for Mathematics

Divide Complex Numbers

Dividing by Complex Numbers
This video explains how to divide one complex number by another.



Complex Numbers
Dividing complex numbers. Complex conjugates.






Complex Numbers: Dividing - Ex 1
This shows how to divide a complex number by another complex number.



Complex Numbers: Dividing - Ex 2
This shows how to divide a complex number by another complex number.




 

Complex Numbers: Dividing - Ex 3
This shows how to divide a complex number by another complex number.



Modulus of a Complex Number

Absolute value of a complex number
Modulus of a complex number. Distance form the origin (0, 0)





Complex Numbers: Graphing and Finding the Modulus, Ex 1.
This video shows how to graph a complex number and how to find the modulus of a complex number.



Complex Numbers: Graphing and Finding the Modulus, Ex 2.
This video shows how to graph a complex number and how to find the modulus of a complex number.




 



 

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