SOLUTION: Identify the conic section and write the standard form of the equation {{{x^2+y^2+8x-4y=-11}}}
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Question 79149: Identify the conic section and write the standard form of the equation
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
x and y both squared with the same coefficient on the square terms means a circle
the rest of the terms give the location of the center and the radius ... the general equation is
complete the squares for x and y by taking 1/2 of the coefficient of the first order term, square it and add it
... so
this is a circle centered at (-4,2) with a radius of 3
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