pre cal
posted by Mecie .
What is the center of the conic whose equation is
x^2 + 2y^2  6x + 8y = 0
2.Which one of the following equations represents a hyperbola? (5 points)
A) 3x^2 + y^2 + 12x  7 = 0
B) 3x^2 + 3y^2 + 12x  7 = 0
C) 3x^2 + y + 12x  7 = 0
D) 3x^2  3y^2 + 12x  7 = 0
E) x^2 + y^2 + 8x  6y = 0
3.What is the equation of the axis of symmetry of the parabola whose equation is 2(y  2) = (x + 3)2?
4.Determine the vertex of the conic with equation
y2 2x + 6y + 8 = 0
5.Find the equation of the parabola with focus (8, 10), and vertex (8, 6)
7.Find the equation of the ellipse with vertices (0, 1) and (12, 1) and minor axis of length 6
8.Find the equations, in slopeintercept form, of the asymptotes to the conic whose equation is
16y2  4x2  128y + 64x  64 = 0
9.Determine the shape of the graph of the equation
8x^24y^2=4
10.Which of the following are true about the parabola with equation x^2=12y? Choose all that apply. (5 points)
A) The focus is (0,3).
B) The directrix is y=3.
C) The focus is (0,3).
D) The vertex is (0,0)."

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