write equation for the hyperbola that satisfies each set of conditions.
1. Vertices (-7,0) and (7,0), conjugate axis of length 10
2. Vertices (-2, -3) and (4, -3), foci (-5, -3) and (7, -3)
3. vertices (4, 3) and ( 4, -5), conjugate axis of length 4
4. Vertices (-8, 0)and (8, 0), equation of asymptotes y= + (1/6)x
5. Vertices ( -4, 6) and ( -4, -2), foci ( -4, 10) and (-4, -6)