Activity 4.1.1 - Equations of Circles (40 points) Answer the following questions. Make sure to show all steps on how you got your answer. What is the center of the circle? (2.points) What is the radius of the circle? (2.points) What is the center and radius of the circle? (2.points) What is the center and radius of the circle? (2.points) Write the equation of a circle given the center (2, 9) and radius r = 3. (3 points) Write the equation of a circle given the center (–4, 4) and radius r = 5. (3 points) Graph the circle (3 points) Graph the circle (3 points) What is the radius of the circle? (10 points) What is the center and radius of the circle? (10 points)