Simplifying Complex Numbers: Addition of Like Terms


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question 1 of 3

In the complex number 18 + 4i, what is the real part?

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1. Which of the following is the correct formula for adding complex numbers?

2. Which of the following statements are true?

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About This Quiz & Worksheet

This quiz and worksheet provide the chance to review what you know about complex numbers and solving them. This resource revisits what you know about complex numbers and how to solve and/or factor them down.

Quiz & Worksheet Goals

The focus on this quiz and worksheet is to review:

  • What a complex number is and key facts about these numbers
  • Real vs. imaginary parts
  • The formula for adding complex numbers
  • Simplifying equations with complex numbers

Skills Practiced

  • Information recall - see if you can remember what a complex number is
  • Knowledge application - revisit what you know about complex numbers to answer questions about real and imaginary parts
  • Problem solving - review what you know about complex numbers to correctly add like terms

Additional Learning

If you'd like to refresh your memory of complex numbers, see the accompanying lesson, Simplifying Complex Number: Addition of Like Terms. The lesson offers more detail about:

  • Real life uses of complex numbers
  • The parts of a complex number
  • Simplifying by adding like terms
  • The formula for adding complex numbers
  • Examples of these problems