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

  2.   Which of the following points is on the circle with equation
(x - 7)2 + (y + 3)2 = 25?
    A. (10, 1) B. (-8, -23)
    C. (5, -6) D. (17, 12)
    Hint

  3.   Find the diameter of the circle with equation (x + 8) 2 + (y - 9) 2 = 121.
    A. 17 B. 22
    C. 121 D. 11
    Hint

  4.   Which is an equation of the circle with center at (11, -19) and diameter 12?
    A. (x - 11) 2 + (y + 19) 2 = 36
    B. (x + 11) 2 + (y - 19) 2 = 36
    C. (x - 11) 2 + (y + 19) 2 = 144
    D. (x + 11) 2 + (y - 19) 2.= 144
    Hint

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



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