The equation x² + y² – 4x + 2y = b desc ribes a circle (a) Determine the y coordinate of the center of the circle (b) The radius of the circle is 7 units. What is the value of b in the equation?
The equation x² + y² – 4x + 2y = b desc ribes a circle (a) Determine the y coordinate of the center of the circle (b) The radius of the circle is 7 units. What is the value of b in the equation?
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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Transcribed Image Text:The equation
x² + y? – 4x + 2y = b desc
ribes a circle
(a) Determine the y coordinate of
the center of the circle
(b) The radius of the circle is 7
units. What is the value of b in the
equation?
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