Question 3 • Precalculus
The center is the midpoint of the vertices, (3, 0), and the hyperbola opens up and down because the vertices share the same x-coordinate. The distance from the center to a vertex is a = 6, and the distance to a focus is c = 10, so b² = c² − a² = 100 − 36 = 64. Thus the equation is y²/36 − (x − 3)²/64 = 1, which is choice B.
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