Hyperbola 9y²-16x²=144. Center, vertices, foci?
Center (0,0), vertices (0,±4), foci (0,±5)
Center (0,0), vertices (±4,0), foci (±4,0)
Center (0,0), vertices (0,±3), foci (0,±5)
Center (0,0), vertices (±4,0), foci (±5,0)