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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.

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.

Elementary Geometry For College Students, 7e
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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Question 3 10 pts Use the information provided to answer Part A and Part B. Justify your answer using the CER method for part A as follows: Claim - The y - coordinate of the center of the circle is Evidence - Show work used to solve for/find the y coordinate. Reasoning - Use the work you showed in "Evidence" to justify your "Claim". Come up with your own CER response for part B. 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. Edit View Insert Format Tools Table 12pt v Paragraph v BI U >
Transcribed Image Text:Question 3 10 pts Use the information provided to answer Part A and Part B. Justify your answer using the CER method for part A as follows: Claim - The y - coordinate of the center of the circle is Evidence - Show work used to solve for/find the y coordinate. Reasoning - Use the work you showed in "Evidence" to justify your "Claim". Come up with your own CER response for part B. 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. Edit View Insert Format Tools Table 12pt v Paragraph v BI U >
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