Question 310 ptsUse the information provided to answer Part A and Part B. Justify your answer using the CERmethod for part A as follows:Claim - The y - coordinate of the center of the circle isEvidence - Show work used to solve for/find the y coordinate.Reasoning - Use the work you showed in "Evidence" to justify your "Claim".Comeupwithyour own CER response for part B.The equation x² + y² - 4x + 2y = b describes a circle.Part ADetermine the y-coordinate of the center of the circle.Enter your answer in the box.Part BThe radius of the circle is 7 units. What is the value of b in the equation?Enter your answer in the box.EditViewInsertFormatToolsTable12pt vParagraph vBI U>

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Answered: The equation x² + y² - 4x + 2y = b…

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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The equation x² + y² - 4x + 2y = b describes a circle. Part A Determine the y-coordinate of the center of the circle. Enter your answer in the box. Part B The radius of the circle is 7 units. What is the value of b in the equation? Enter your answer in the box.