algebra 2

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Write an equation in standard form for the hyperbola with center (0,0), vertex(4,0) , and focus (8,0).

  • algebra 2 -

    the major axis is horizontal and
    a = 4, b = ? and c = 5
    I recognize the 3-4-5 Pythagorean triangle, so b = 3

    equation:
    x^2/16 - y^2/9 = 1

  • algebra 2 -

    That isn't one of the choses...
    1) x^2/64-x^2/16=1
    2)x^2/16-y^2/64=1
    3)y^2/48-x^2/16=1
    4)x^2/16-y^2/48=1

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