1.   The center of the circle with equation (x - 3)2 + (y + 2)2 = 4 has coordinates ___.
    A. (-3, -2) B. (3, 2)
    C. (-3, 2) D. (3, -2)
    Hint

  2.   Which is an equation of the circle with center at P(-2, 5) and radius 2?
    A. (x + 2)2 + (y - 5)2 = 2 B. (x - 2)2 + (y + 5)2 = 2
    C. (x + 2)2 + (y - 5)2 = 4 D. (x - 2)2 + (y + 5)2 = 4
    Hint

  3.   Find an equation of the circle passing through A(2, 4), B(-2, 6), and
O(0,0).
    A. (x + 1)2 + (y - 3)2 = 10 B. (x - 2)2 + (y - 4)2 = 20
    C. x2 + y2 = 40 D. (x - 3)2 + (y + 6)2 = 32
    Hint

  4.   The center of the circle with equation (x + 4)2 + (y + 15) 2 = 49 has coordinates ________.
    A. (-4, -15) B. (4, 15)
    C. (4, -15) D. (-4, 15)
    Hint

  5.   Find an equation of the circle passing through U(-3, -1), V(3, 5), and
W(9, 3).
    A. (x - 4) 2 + (y + 2) 2 = 50
    B. x2 + y2 = 10
    C. (x + 1) 2 + (y - 4) 2 = 25
    D. (x - 3) 2 + (y - 3) 2 = 90
    Hint



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