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8 October, 11:06

Which of the following describes the graph of the

equation y2 + x² = - 6y - 4x?

circle with a radius of 13, centered at (2,3)

B. circle with a radius of 5, centered at (6,4)

circle with a radius of 13, centered at ( - 2, - 3)

D. circle with a radius of 15, centered at ( - 6, - 4)

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Answers (1)
  1. 8 October, 11:10
    0
    c

    Step-by-step explanation:

    x²+y²+4x+6y=0

    compare with x²+y²+2gx+2fy+c=0

    centre is (-g,-f) = (-2,-3)

    radius=√ (g²+f²-c) = √ ((-2) ² + (-3) ²-0) = √13
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