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Example 2 from Algebra and Trigonometry, 2.4 Complex Numbers
Plotting a Complex Number on the Complex Plane
Plot the complex number on the complex plane.
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
Solution
The real part of the complex number is and the imaginary part is –4. We plot the ordered pair as shown in Figure 4.
Figure 4
Your turn
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Plot the complex number on the complex plane.
How did it go?