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MATH 1111 - College Algebra: 1.8 Complex Numbers

1.8 Complex Numbers

At the end of this section students will be able to:

  • Identify the real and imaginary part of a complex number
  • Write a complex number in standard form
  • Add, subtract, multiply and divide complex numbers

Required Reading

0.10 Complex Numbers

Stitz-Zeager Prerequisites - pages 126-131

Practice Exercises

Stitz-Zeager Prerequisites - pages 132-135

Answers to practice exercises can be found on pages 133-135.

Supplemental Resources

Complex Numbers (tutorial): West Texas A&M University Virtual Math Lab (College Algebra Tutorial 12)


Adding and Subtracting Complex Numbers:


Multiplying Complex Numbers:


Dividing Complex Numbers: