math Question

Find an equation that models a hyperbolic lens with a=12 inches and foci that are 30 inches apart. assume that the center of the hyperbola is the origin and the transverse axis is vertical.

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asked by brian
  1. a=12
    c=30/2=15
    b=√(15^2-12^2)=9

    For a hyperbola with horizontal axis,

    x²/a²-y²/b²=1
    x²/12²-y²/9²=1

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  2. y²/144²-x²/25²=1

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  4. I would.

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