A. Determine the center and radius of the following circles. 1. (x - 4)2 + y + 8)? = 100 2. (x + 1)² + y² = 4 3. x2 + (y - 2)² = 36 C 4. (x – 8)2 + (y – 1)? = 40 5. x2 + y? – 8x – 84 = 0 C C %3D

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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A. Determine the center and radius of the following circles.
1. (x – 4)2 + y + 8)² = 100
2. (x + 1)² + y² = 4
3. x² + (y – 2)² = 36
4. (x – 8)2 + (y – 1)² = 40
5. x2 + y? – 8x – 84 = 0
C
C
r =
Transcribed Image Text:A. Determine the center and radius of the following circles. 1. (x – 4)2 + y + 8)² = 100 2. (x + 1)² + y² = 4 3. x² + (y – 2)² = 36 4. (x – 8)2 + (y – 1)² = 40 5. x2 + y? – 8x – 84 = 0 C C r =
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