SOLUTION: Identify the conic section. If it is a parabola, give the vertex. If it is a circle, give the center and radius. If it is an ellipse or a hyperbola, give the center and foci.
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Question 555079: Identify the conic section. If it is a parabola, give the vertex. If it is a circle, give the center and radius. If it is an ellipse or a hyperbola, give the center and foci.
x^2+y^2+8x-4y=-11
a)circle; center (–4, 2); radius = 9
b)circle; center (4, –2); radius = 9
c) circle; center (–4, 2); radius = 3
d) circle; center (4, –2); radius = 3
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Identify the conic section. If it is a parabola, give the vertex. If it is a circle, give the center and radius. If it is an ellipse or a hyperbola, give the center and foci.
x^2+y^2+8x-4y=-11
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Complete the square.
It's c.
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