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Algebra

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The point (-1,0) lies on a circle whose center is at (-6,5). Find an equation of this circle

  • Algebra -

    You know the equation must be

    (x+6)^2 + (y-5)^2 = r^2
    sub in the other point (-1,0)

    25 + 25 = r^2 = 50

    so (x+6)^2 + (y-5)^2 = 50

  • Algebra -

    Thanks!! for the help

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