Exam 6: Conic Sections

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Solve the problem. -A reflecting telescope contains a parabolic mirror. If the mirror is 24 inches across at its opening and is 4 feet deep, where will the light be concentrated?

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Find the center, foci, and vertices of the ellipse. - x24+y216=1\frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 16 } = 1

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Find an equation for the ellipse described. -Center at (0, 0); focus at (0, -5); vertex at (0, 8)

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Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola. - 4x216y2=644 x ^ { 2 } - 16 y ^ { 2 } = 64

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Find an equation for the ellipse described. -Foci at (1, 4)and (-5, 4); vertex at (-8, 4)

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Find the equation in standard form of the parabola described. -The vertex has coordinates (9, -3), and the focus has coordinates (9, -7).

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Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola. - x216y28x64y64=0x ^ { 2 } - 16 y ^ { 2 } - 8 x - 64 y - 64 = 0

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Find the vertex, focus, and directrix of the parabola with the given equation. - (y4)2=12(x+2)( y - 4 ) ^ { 2 } = 12 ( x + 2 )

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Find the equation in standard form of the parabola described. -The focus has coordinates (-15, 0), and the equation of the directrix is x = 15.

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Convert the equation to the standard form for a hyperbola by completing the square. - 9x24y236x8y4=09 x ^ { 2 } - 4 y ^ { 2 } - 36 x - 8 y - 4 = 0

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Find the vertex, focus, and directrix of the parabola. Graph the equation. - (y+1)2=8(x+2)( y + 1 ) ^ { 2 } = - 8 ( x + 2 )  Find the vertex, focus, and directrix of the parabola. Graph the equation. - ( y + 1 ) ^ { 2 } = - 8 ( x + 2 )

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Graph the hyperbola. - (x2)29(y2)2=9(x-2)^{2}-9(y-2)^{2}=9  Graph the hyperbola. - (x-2)^{2}-9(y-2)^{2}=9

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Graph the hyperbola. - (y+1)29(x2)216=1\frac { ( y + 1 ) ^ { 2 } } { 9 } - \frac { ( x - 2 ) ^ { 2 } } { 16 } = 1  Graph the hyperbola. - \frac { ( y + 1 ) ^ { 2 } } { 9 } - \frac { ( x - 2 ) ^ { 2 } } { 16 } = 1

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Find an equation for the ellipse described. -Center at (0, 0); focus at (-5, 0); vertex at (8, 0)

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Graph the hyperbola. - (y+1)2(x+2)2=3( y + 1 ) ^ { 2 } - ( x + 2 ) ^ { 2 } = 3

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Graph the equation. - y2=16xy^{2}=-16 x  Graph the equation. - y^{2}=-16 x

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Find an equation for the ellipse described. -Center (0, 0); major axis vertical with length 12; length of minor axis is 8

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Find an equation for the ellipse described. -Focus at (0, -6); vertices at (0, -7)and (0, 7)

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Graph the equation. - 9(x+2)2+4(y+1)2=369 ( x + 2 ) ^ { 2 } + 4 ( y + 1 ) ^ { 2 } = 36  Graph the equation. - 9 ( x + 2 ) ^ { 2 } + 4 ( y + 1 ) ^ { 2 } = 36

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Find the equation in standard form of the parabola described. -The vertex has coordinates (3, -5), and the focus has coordinates (4, -5).

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