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Exercises 75-84: Find the center and radius of the circle. 75. x² + y = 25 77. x² + y? = 7 79. x? + (y + 3)? = 5 80. (x – 3)² + y² = 7 81. (x – 2)² + (y + 3)² = 9 76. x + y = 100 78. x? + y = 20 82. (x + 1)² + (y – 1)² = 16 83. x? + (y + 1) = 100 84. (x – 5)² + y² = 19

Exercises 75-84: Find the center and radius of the circle. 75. x² + y = 25 77. x² + y? = 7 79. x? + (y + 3)? = 5 80. (x – 3)² + y² = 7 81. (x – 2)² + (y + 3)² = 9 76. x + y = 100 78. x? + y = 20 82. (x + 1)² + (y – 1)² = 16 83. x? + (y + 1) = 100 84. (x – 5)² + y² = 19

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Exercises 75-84: Find the center and radius of the circle. 75. x² + y = 25 77. x² + y? = 7 79. x? + (y + 3)? = 5 80. (x – 3)² + y² = 7 81. (x – 2)² + (y + 3)² = 9 76. x + y = 100 78. x? + y = 20 82. (x + 1)² + (y – 1)² = 16 83. x? + (y + 1) = 100 84. (x – 5)² + y² = 19
Transcribed Image Text:Exercises 75-84: Find the center and radius of the circle. 75. x² + y = 25 77. x² + y? = 7 79. x? + (y + 3)? = 5 80. (x – 3)² + y² = 7 81. (x – 2)² + (y + 3)² = 9 76. x + y = 100 78. x? + y = 20 82. (x + 1)² + (y – 1)² = 16 83. x? + (y + 1) = 100 84. (x – 5)² + y² = 19
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