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OpenStudy (anonymous):
What are the foci of the hyperbola given by the equation 16x2 – 9y2 + 64x + 72y – 224 = 0 ? (–7, –4) and (3, –4) (–7, 4) and (3, 4) (–3, –4) and (7, –4) (–3, 4) and (7, 4)
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OpenStudy (anonymous):
(–7, 4) and (3, 4)
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