1.   Find an equation for the graph below.
   
    A. (x - 4)2 + (y + 1)2 = 2 B. (x + 4)2 + (y - 1)2 = 2
    C. (x - 4)2 + (y + 1)2 = 4 D. (x + 4)2 + (y - 1)2 = 4
    Hint

  2.   What is an equation for a circle if the endpoints of a diameter are at (3, 4) and (-3, -2)?
    A. B.
    C. D.
    Hint

  3.   What is an equation for a circle with a center at (3, -1) that is tangent to the line x = 7?
    A. B.
    C. D.
    Hint

  4.   Write the equation in standard form.
    A. B.
    C. D.
    Hint

  5.   Which of the following could be the center of a circle that is tangent to the lines y = 3 and x = –2?
    A. (0, 0) B. (-3, 1)
    C. (2, 1) D. (2, -1)
    Hint



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