Finding the Center and Radius of a circle- Math B Regents

fall0814ge What are the center and radius of a circle whose equation is (1) center = (A, B); radius = C (2) center = (-A, -B); radius = C (3) center = (A, B); radius = (4) center = (-A, -B); radius = 080404b A circle has the equation What are the coordinates of its center and the length of its radius? (1) (–1,3) and 4 (3) (–1,3) and 16 (2) (1,–3) and 4 (4) (1,–3) and 16 080911ge What are the center and the radius of the circle whose equation is (1) center = radius = 6 (3) center = radius = 36 (2) center = radius = 6 (4) center = radius = 36 fall9917b The center and radius of the given circle are: (1) (3,-8), r = 39 (3) (-3, 8), (2) (-3, -8), (4) (3,-8), 060922ge A circle is represented by the equation What are the coordinates of the center of the circle and the length of the radius? (1) (0,3) and 13 (3) (0,-3) and 13 (2) (0,3) and (4) (0,-3) and 060506b What are the coordinates of the center of the circle represented by the equation (1) (3,4) (3) (-3,4) (2) (3-4) (4) (-3-4) 010620b The center of a circle represented by the equation is located in Quadrant (1) I (3) III (2) II (4) IV 010426a In the coordinate plane, the points (2,2) and (2,12) are the endpoints of a diameter of a circle. What is the length of the radius of the circle? (1) 5 (3) 7 (2) 6 (4) 10 Regents Exam Questions by Topic Page 1 CONICS: Finding the Center and Radius of Circles www.jmap.org Name: __________________________________