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How to Graph a Complex Number on the Complex Plane

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which complex number would look like it was at the coordinates (-2, 4) if it was graphed?

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1. Which of the following graphs represents the complex number 3 + 2i on the complex plane?

2. Which of the following graphs represents the complex number -i on the complex plane?

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About This Quiz & Worksheet

Complex numbers allow you to represent two numbers, two pieces of information, and this quiz and worksheet combo will help you test your understanding of this important mathematical concept. The quiz questions will test you on how to turn coordinates into complex numbers and identifying graphs that represent complex numbers.

Quiz & Worksheet Goals

In these assessments, you'll be tested on:

  • Translating coordinates into complex numbers
  • Identifying graphs that represent complex numbers
  • Relating the complex number that is represented by a point on a given graph

Skills Practiced

This quiz and worksheet will test your skills in the following areas:

  • Reading comprehension - ensure that you draw the relevant information on complex numbers from the related mathematics lesson
  • Making connections - use your understanding of graphing and coordinates in order to better understand complex numbers and how to convert coordinates into complex numbers
  • Problem solving - use your acquired knowledge to solve practice problems involving graphing complex numbers
  • Information recall - access the knowledge you've gained regarding complex numbers

Additional Learning

To learn more about graphing complex numbers, review the accompanying lesson called How to Graph a Complex Number on the Complex Plane. This lesson covers the following objectives:

  • Define complex numbers
  • Understand how to convert coordinates on a graph into a complex number
  • Identify graphs that represent complex numbers
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