To calculate: The center and radius of the
Answer to Problem 19WE
The required center and radius of the circle is
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.
Make them perfect square,
Since it has the same coefficient of
Therefore, the given equation has a graph.
Now, we'll sketch the required graph of the circle.
s
As we know that the center of a circle is
Hence,
Therefore, the required center and radius of the circle is
Chapter 9 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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