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Find the eccentricity and identify the conic given by r=21cosθr = \frac { 2 } { 1 - \cos \theta } .

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, so the...

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Complete the square to determine the type of curve represented by the equation. x2+6x3y2+12y=12x ^ { 2 } + 6 x - 3 y ^ { 2 } + 12 y = 12

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Sketch the graph of the parabola. 2x+7y2=02 x + 7 y ^ { 2 } = 0


A)
 Sketch the graph of the parabola.  2 x + 7 y ^ { 2 } = 0  A)    B)    C)    D)
B)
 Sketch the graph of the parabola.  2 x + 7 y ^ { 2 } = 0  A)    B)    C)    D)
C)
 Sketch the graph of the parabola.  2 x + 7 y ^ { 2 } = 0  A)    B)    C)    D)
D)
 Sketch the graph of the parabola.  2 x + 7 y ^ { 2 } = 0  A)    B)    C)    D)

E) None of the above
F) B) and D)

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Determine the XY\overline { X Y } - coordinates of (2,5) ( - 2,5 ) If the axes are rotated through an angle ϕ=30\phi = 30 ^ { \circ }


A) X=5232X = \frac { 5 - 2 \sqrt { 3 } } { 2 }
, Y=2+532Y = \frac { 2 + 5 \sqrt { 3 } } { 2 }

B) X=232X = \frac { 2 \sqrt { 3 } } { 2 }
, Y=1532Y = 1 - \frac { 5 \sqrt { 3 } } { 2 }

C) X=523X = 5 - 2 \sqrt { 3 }
, Y=1+32Y = 1 + \frac { \sqrt { 3 } } { 2 }

D) X=5232X = \frac { 5 - 2 \sqrt { 3 } } { 2 }
, Y=3+52Y = \frac { \sqrt { 3 } + 5 } { 2 }

E) X=1+232X = \frac { 1 + 2 \sqrt { 3 } } { 2 }
, Y=5+32Y = - 5 + \frac { \sqrt { 3 } } { 2 }

F) A) and E)
G) A) and D)

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Find the lengths of the major and minor axes for the ellipse. x213+y249=1\frac { x ^ { 2 } } { 13 } + \frac { y ^ { 2 } } { 49 } = 1


A) major axis: 1414
, minor: 2132 \sqrt { 13 }
B) major axis: 77
, minor: 2142 \sqrt { 14 }
C) major axis: 4949
, minor: 2132 \sqrt { 13 }
D) major axis: 1414
, minor: 1414
E) none of these

F) All of the above
G) A) and B)

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Find the vertices and foci for the ellipse. 4x2+9y2=364 x ^ { 2 } + 9 y ^ { 2 } = 36

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Find an equation of the parabola whose graph is shown. Find an equation of the parabola whose graph is shown.

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Find the vertices and foci for the ellipse. y2=42x2y ^ { 2 } = 4 - 2 x ^ { 2 }


A) Vertices: (0,±2) ( 0 , \pm \sqrt { 2 } )
, foci: (0,±2) ( 0 , \pm 2 )
B) Vertices: (±2,0) ( \pm 2,0 )
, foci: (0,±2) ( 0 , \pm \sqrt { 2 } )
C) Vertices: (0,±2) ( 0 , \pm 2 )
, foci: (0,±2) ( 0 , \pm \sqrt { 2 } )
D) Vertices: (0,±2) ( 0 , \pm 2 )
, foci: (±2,0) ( \pm \sqrt { 2 } , 0 )
E) none of these

F) B) and C)
G) D) and E)

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Find an equation of the parabola whose graph is shown.  Find an equation of the parabola whose graph is shown.   A)   x ^ { 2 } = 4 y  B)   x ^ { 2 } = 16 y  C)   y ^ { 2 } = 16 x  D)   y ^ { 2 } = 8 x  E)  none of these


A) x2=4yx ^ { 2 } = 4 y
B) x2=16yx ^ { 2 } = 16 y
C) y2=16xy ^ { 2 } = 16 x
D) y2=8xy ^ { 2 } = 8 x
E) none of these

F) C) and D)
G) All of the above

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Sketch the graph of the parabola. 2x+7y2=02 x + 7 y ^ { 2 } = 0

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Determine the XY\overline { X Y } - coordinates of (2,5) ( - 2,5 ) If the axes are rotated through an angle ϕ=30\phi = 30 ^ { \circ }


A) X=5232X = \frac { 5 - 2 \sqrt { 3 } } { 2 }
, Y=2+532Y = \frac { 2 + 5 \sqrt { 3 } } { 2 }
B) X=232X = \frac { 2 \sqrt { 3 } } { 2 }
, Y=1532Y = 1 - \frac { 5 \sqrt { 3 } } { 2 }
C) X=523X = 5 - 2 \sqrt { 3 }
, Y=1+32Y = 1 + \frac { \sqrt { 3 } } { 2 }
D) X=5232X = \frac { 5 - 2 \sqrt { 3 } } { 2 }
, Y=3+52Y = \frac { \sqrt { 3 } + 5 } { 2 }
E) X=1+232X = \frac { 1 + 2 \sqrt { 3 } } { 2 }
, Y=5+32Y = - 5 + \frac { \sqrt { 3 } } { 2 }

F) B) and C)
G) A) and C)

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Find an equation for parabola with vertex (1,3)( - 1,3 ) and directrix x=4x = - 4 .

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Write a polar equation of an ellipse with eccentricity 0.30.3 and directrix y=7y = - 7 .

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Complete the square to determine the type of curve represented by the equation. 4x2+9y216x20=04 x ^ { 2 } + 9 y ^ { 2 } - 16 x - 20 = 0

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Find an equation for the conic whose graph is shown.  Find an equation for the conic whose graph is shown.   A)   x ^ { 2 } = 4 ( y + 3 )   B)   x ^ { 2 } = 3 ( y + 3 )   C)   y ^ { 2 } = 12 ( x + 3 )   D)   \frac { x } { 12 } = ( y + 3 )  ^ { 2 }  E)   x ^ { 2 } = 12 ( y + 3 )


A) x2=4(y+3) x ^ { 2 } = 4 ( y + 3 )
B) x2=3(y+3) x ^ { 2 } = 3 ( y + 3 )
C) y2=12(x+3) y ^ { 2 } = 12 ( x + 3 )
D) x12=(y+3) 2\frac { x } { 12 } = ( y + 3 ) ^ { 2 }
E) x2=12(y+3) x ^ { 2 } = 12 ( y + 3 )

F) A) and C)
G) A) and E)

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Find an equation for the conic whose graph is shown. Find an equation for the conic whose graph is shown.

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Sketch the graph of the ellipse. (x5) 236+y29=1\frac { ( x - 5 ) ^ { 2 } } { 36 } + \frac { y ^ { 2 } } { 9 } = 1


A)  Sketch the graph of the ellipse.  \frac { ( x - 5 )  ^ { 2 } } { 36 } + \frac { y ^ { 2 } } { 9 } = 1   A)    B)     C)    D)    E) none of these
B)  Sketch the graph of the ellipse.  \frac { ( x - 5 )  ^ { 2 } } { 36 } + \frac { y ^ { 2 } } { 9 } = 1   A)    B)     C)    D)    E) none of these

C)
 Sketch the graph of the ellipse.  \frac { ( x - 5 )  ^ { 2 } } { 36 } + \frac { y ^ { 2 } } { 9 } = 1   A)    B)     C)    D)    E) none of these
D)
 Sketch the graph of the ellipse.  \frac { ( x - 5 )  ^ { 2 } } { 36 } + \frac { y ^ { 2 } } { 9 } = 1   A)    B)     C)    D)    E) none of these
E) none of these

F) None of the above
G) A) and E)

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Sketch the graph of the parabola. y2+2y12x+37=0y ^ { 2 } + 2 y - 12 x + 37 = 0

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A cannon fires a cannonball as shown in the figure. The path of the cannonball is a parabola with vertex at the highest point of the path. If the cannonball lands 800 ft from the cannon and the highest point it reaches is 1600 ft above the ground, find an equation for the path of the cannonball. Place the origin at the location of the cannon. A cannon fires a cannonball as shown in the figure. The path of the cannonball is a parabola with vertex at the highest point of the path. If the cannonball lands 800 ft from the cannon and the highest point it reaches is 1600 ft above the ground, find an equation for the path of the cannonball. Place the origin at the location of the cannon.

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Sketch the graph of the hyperbola. y22y4x216x=15y ^ { 2 } - 2 y - 4 x ^ { 2 } - 16 x = 15

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