A. Determine the center and radius of the following circles. 1. x2 + y2 – 8x + 2y + 13 = 0 2. х2 + у2 + 8х — бу — 15 3D 0 3. х2 + у2 + 7х — Зу — 10 %3D 0

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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What I can Do
A. Determine the center and radius of the following circles.
1. x2 + y2 – 8x + 2y + 13 = 0
2. x2 + y2 + 8x
3. х2 + у? + 7х — Зу — 10 %3D 0
4. х2 + у? — 21х — 33у + 17 %3D 0
5. х? + у? + 10у — 75 %3D 0
r =
r =
- бу — 15 — 0
%3D
r =
r =
11auin
Transcribed Image Text:What I can Do A. Determine the center and radius of the following circles. 1. x2 + y2 – 8x + 2y + 13 = 0 2. x2 + y2 + 8x 3. х2 + у? + 7х — Зу — 10 %3D 0 4. х2 + у? — 21х — 33у + 17 %3D 0 5. х? + у? + 10у — 75 %3D 0 r = r = - бу — 15 — 0 %3D r = r = 11auin
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