Find the Vertices, Foci, and Eccentricity of the Ellipse Given $$y ^ { 2 } = 4 - 2 x ^ { 2 }$$

Essay

Find the vertices, foci, and eccentricity of the ellipse given by $$y ^ { 2 } = 4 - 2 x ^ { 2 }$$ . Determine the lengths of the major and minor axes, and sketch the graph.