1.   Find the radius of the circle with the equation (x - 4)2 + (y + 1)2 = 48. Express in simplest form.
    A. B.
    C. D.
    Hint

  2.   Graph the equation (x - 2)2 + (y + 3)2 = 4 on a coordinate plane.
    A. B.
    C. D.
    Hint

  3.   Write the equation of a circle with center (-2, 4) and radius of 6 units.
    A. (x - 2)2 + (y - 4)2 = 36
    B. (x + 2)2 - (y + 4)2 = 36
    C. (x + 2)2 - (y - 4)2 = 36
    D. (x + 2)2 + (y - 4)2 = 36
    Hint

  4.   Write the equation of a circle with center (4, -6) and diameter of 18 units.
    A. (x - 4)2 + (y - 6)2 = 81
    B. (x - 4)2 - (y - 6)2 = 324
    C. (x - 4)2 + (y + 6)2 = 324
    D. (x - 4)2 + (y + 6)2 = 81
    Hint

  5.   Which graph is the correct graph for a circle defined by the equation
(x + 3)2 + (y - 4)2 = 9?
    A. B.
    C. D.
    Hint



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