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    Coordinate Geometry - Circle

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    *For 1, find the standard form of the equation of the specified circle.
    1.
    Endpoint of a diameter, (-4,-1), (4, 1)
    *For 2~4, write the given equation of the circle in standard form and sketch its graph.
    2. X^2 + Y^2 -2X + 6Y - 15 = 0
    3. 3X^2 + 3Y^2 - 6Y -1 = 0
    4. 4X^2 + 4Y^2 -4X + 2Y -1

    © BrainMass Inc. brainmass.com October 9, 2019, 9:25 pm ad1c9bdddf
    https://brainmass.com/math/geometry-and-topology/coordinate-geometry-circle-184220

    Solution Summary

    All the four problems have been neatly solved. Graphs included.

    $2.19