Write an Equation for the Hyperbola $60 \mathrm { ft }$

question 157

Multiple Choice

Write an equation for the hyperbola.
-A nuclear cooling tower cross section is a hyperbola having a diameter of $60 \mathrm { ft }$ at the center. The distance between the two foci is $92 \mathrm { ft }$ . What is the equation for the hyperbola?

• A) \(\frac { x ^ { 2 } } { 900 } - \frac { y ^ { 2 } } { 1216 } = 5\)
• B) \(\frac { x ^ { 2 } } { 900 } - \frac { y ^ { 2 } } { 1218 } = 1\)
• C) \(\frac { x ^ { 2 } } { 900 } - \frac { y ^ { 2 } } { 2116 } = 1\)
• D) \(\frac { x ^ { 2 } } { 900 } - \frac { y ^ { 2 } } { 1216 } = 1\)

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