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HYPERBOLAS. c tells you far to count for foci. Foci always inside vertex. (h,k) is center. # under x tells you how much to count left/right. # under y tells you how much to count up/down. center: (0, 0). vertices: (6, 0) (-6, 0). foci: (10, 0) (-10, 0).
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c tells you far to count for foci Foci always inside vertex (h,k) is center # under x tells you how much to count left/right # under y tells you how much to count up/down
center: (0, 0) vertices: (6, 0) (-6, 0) foci: (10, 0) (-10, 0) p.vertex: (0, 8) (0, -8)
center: (0, 0) vertices: (0, 5) (0, -5) foci: (0, 6.4) (0, -6.4) p.vertex: (4, 0) (-4, 0)
GRAPH. Center: (3, 2) Vertices: (2, 2) (4, 2) Focus: (-.2, 2) (6.2, 2) Covertex: (3, -1) (3, 5)
GRAPH. Center: (3, -1) Vertices: (3, -5) (3, 3) Focus: (3, -5.5) (3, 3.5) Covertex: (1, -1) (5, -1)
GRAPH. Center: (3, -2) Vertices: (3, -8) (3, 4) Focus: (3, -10.5) (3, 6.5) Covertex: (-3, -2) (9, -2)
GRAPH. 36 36 36 center: vertices: covertex: focus: