Use the information provided to answer Part A and Part B.

Last updated: 7/29/2022

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 x^2 + y^2 - 4x + 2y = b describes 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?