2 1. What is the eccentricity of the ellipse defined by the equation 1+1=1. = 1. x 10 20 022 2. Identify the center of the ellipse defined by the equation + 25 v2 = 1. 4 (5,2) (0,0) (25,4) 3. Select the coordinates of the two foci for the ellipse defined by the equation x + = 1. 25 4 O(-~/21,0). (/21,0) O(0,-21).(0,21) O (0,-/21). (0,-/21) O(-21,0).(21,0)