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3 August, 00:58

Write the standard equation for the circle with center (-2, 5) that passes through (1, 9).

A. (x - 2) 2 + (y + 5) 2 = 5

B. (x + 2) 2 + (y - 5) 2 = 5

C. (x - 2) 2 + (y + 5) 2 = 25

D. (x + 2) 2 + (y - 5) 2 = 25

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Answers (2)
  1. 3 August, 01:24
    0
    Hello,

    Answer D:

    1) we must find the radius:

    r² = (1 - (-2)) ² + (9-5à²=3²+4²=9+16=25=5²

    The circle's equation is

    (x - (-2)) ² + (y-5) ²=25

    or (x+2) ² + (y-5) ²=25
  2. 3 August, 03:02
    0
    All given options are incorrect ... As no one is the equation of a circle
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