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15-05-2018
Mathematics

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What are the foci of the hyperbola with the equation 25x^2-4y^2=400
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popalabdulqayou popalabdulqayou

16-05-2018

25x²-4y²=400

(x-h)²/a²-(y-k)²/b²=1

(5x)²-(2y)²=400

(x)²/16 - (y)²/100 = 1

a²+b²=c²

16+100=c²

c²=116

c=-+√116

foci are (-√116,0) and (√116,0)

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