To calculate: The center and radius of the
Answer to Problem 21WE
The given equation has no graph because it has not any solution.
Explanation of Solution
Given information: The given equation of the circle is
Formula used:
Calculation: Rewrite the given equation into the standard form of a circle.
Try to make them perfect square,
Here, the equation does not have the same coefficient of
Since the given equation does not match any form of a conic section. Therefore, the given equation does not have a graph.
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Algebra and Trigonometry: Structure and Method, Book 2
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