center (0,0) vertex (-3radical 5,0) focus(0,-3) label vertices, co vertices, foci
a = 3√5 c = 3 since a > c, you must have an ellipse. so b^2 = a^2-c^2 = 45-9 = 36 The foci are on the x-axis, so x^2/45 + y^2/36 = 1
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