Find the Directrices of the Hyperbola $$9 x ^ { 2 } - 16 y ^ { 2 } = 144$$

question 18

Multiple Choice

Find the directrices of the hyperbola.
- $$9 x ^ { 2 } - 16 y ^ { 2 } = 144$$

• A) \(y = \pm \frac { 16 } { 5 }\)
• B) \(x = \pm \frac { 9 } { 5 }\)
• C) \(x = \pm \frac { 16 } { 5 }\)
• D) \(y = \pm \frac { 9 } { 5 }\)

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