Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 10 - Parametric and Polar Curves - 10.4 Conic Sections - 10.4 Exercises - Page 751: 50

Answer

$$\frac{{{y^2}}}{{36}} - \frac{{{x^2}}}{{64}} = 1$$

Work Step by Step

$$\eqalign{ & {\text{From the graph we can see that the orientation of the transverse}} \cr & {\text{axis is vertical }}\left( {{\text{along the y - axis}}} \right){\text{ and the hyperbola is centered }} \cr & {\text{at the Origin}}.{\text{ Then, the equation is of the form}} \cr & \frac{{{y^2}}}{{{a^2}}} - \frac{{{x^2}}}{{{b^2}}} = 1 \cr & and \cr & {\text{Vertices }}\left( {0, \pm a} \right),\,\,{\text{foci }}\left( {0, \pm c} \right) \cr & {\text{Vertices }}\left( {0, \pm 6} \right),\,\,{\text{foci }}\left( {0, \pm 10} \right) \cr & a = 6,\,\,\,c = 10 \cr & b = \sqrt {{c^2} - {a^2}} = \sqrt {100 - 36} = 8 \cr & \cr & {\text{The equation of the hyperbola is}} \cr & \frac{{{y^2}}}{{{6^2}}} - \frac{{{x^2}}}{{{8^2}}} = 1 \cr & \frac{{{y^2}}}{{36}} - \frac{{{x^2}}}{{64}} = 1 \cr} $$
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