TheWeirdTaco2224 TheWeirdTaco2224
  • 04-09-2017
  • Mathematics
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Find the equation of the hyperbola centered at the origin that has a vertex at (5, 0) and a focus at (9, 0).

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Аноним Аноним
  • 11-09-2017
Refer to the diagram shown below.

The vertex is at (a,0), with a = 5.
The focus is at (c,0), with c = 9.
Therefore
b² = c² - a²  = 81 - 25 = 56

The equation of the hyperbola is
[tex] \frac{x^{2}}{a^{2}} - \frac{y^{2}}{b^{2}} =1, \\ or \\ \frac{x^{2}}{25} - \frac{y^{2}}{56}=1 [/tex]

Answer:
[tex] \frac{x^{2}}{25} - \frac{y^{2}}{56} =1[/tex]

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