Eccentricity of hyperbola 9x² - 16y² = 144:
A3/4
Bsqrt(7)/4
Csqrt(2)
D5/4 (a² = 16, b² = 9, c² = 25, e = c/a = 5/4)
Answer & Solution
Correct answer: D. 5/4 (a² = 16, b² = 9, c² = 25, e = c/a = 5/4)
Rewrite: x²/16 - y²/9 = 1. a² = 16, b² = 9, c² = a² + b² = 25, c = 5. e = c/a = 5/4 = 1.25.
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