Adding and subtracting complex numbers

Lessons

• 1.
  Adding complex numbers
  
  a)

  $(3+4i)+(9+3i)$
  
  
  b)

  $(\frac{1}{2}-3i)+(-2+2i)+(5i+1)$
  
  
  c)

  $(6-5i)+(-4+7i)+(4i-2)$
  
  

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• 2.
  Subtracting complex numbers
  a)

  $(7+9i)-(5+i)$
  
  
  b)

  $(1-3i)-(\frac{1}{6}+2i)-(\frac{1}{3}-i)$
  
  
  c)

  $(10-12i)-(-4-10i)+2i$
  
  

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• 3.
  Adding/subtracting complex numbers graphically
  $(2+2i)+(3+i)$

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