The center and radius of the circle
Answer to Problem 12CT
Solution:
The center of the circle is
The graph of the circle is:
Explanation of Solution
Given information:
The equation of the circle
Consider
By grouping the terms involving
Complete the square of each expression in parenthesis.For that, add
By comparing
Therefore, the center of the circle is
The four points on the graph are
Thus the graph of the circle is:
Chapter 1 Solutions
Precalculus Enhanced with Graphing Utilities
Additional Math Textbook Solutions
Single Variable Calculus: Early Transcendentals (2nd Edition) - Standalone book
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (4th Edition)
Precalculus
Calculus: Early Transcendentals (3rd Edition)
Glencoe Math Accelerated, Student Edition
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