Copy of Exploring subtraction of Complex numbers
Drag points A and B around the complex plane. Point C is the difference A – B. After you explore a bit, answer the following questions.
How should A and B be situated so that C is on the Real axis?
How should A and B be situated so that C is on the Imaginary axis?
How should A and B be situated so that C is at the Origin?
What happens when A and B are on the same axis?
If I subtract a+bi from c+di, what is the result?
A different view of subtraction.
In the second applet, you can see the parallelogram that you guessed is formed by complex addition. Why is it here? What is Point "-B"?
You should now go to deltamath and complete the practice problems under "Add/Subtract Complex Numbers" and "Plotting Complex Numbers".
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