Exam 10: Topics In Analytic Geometry

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A solar oven uses a parabolic reflector to focus the sun's rays at a point 5 inches from the vertex of the reflector (see figure).Write an equation for a cross section of the oven's reflector with its focus on the positive y axis and its vertex at the origin. A solar oven uses a parabolic reflector to focus the sun's rays at a point 5 inches from the vertex of the reflector (see figure).Write an equation for a cross section of the oven's reflector with its focus on the positive y axis and its vertex at the origin.   L = 5 inches L = 5 inches

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Select the graph of the equation. r=2sin(θπ4)r = 2 - \sin \left( \theta - \frac { \pi } { 4 } \right)

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Find a set of parametric equations for the rectangular equation. t=2xt = 2 - x y=x2+5y = x ^ { 2 } + 5

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Find the equation of the parabola so that its graph matches the description. (y5)2=2(x+1)( y - 5 ) ^ { 2 } = 2 ( x + 1 ) ; upper half of parabola

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Identify the conic as a circle or an ellipse. x2+y23x+4y2=0x ^ { 2 } + y ^ { 2 } - 3 x + 4 y - 2 = 0

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Select the graph of the equation as a circle, a parabola, an ellipse, or a hyperbola. 9x2+36y220x+256y535=09 x ^ { 2 } + 36 y ^ { 2 } - 20 x + 256 y - 535 = 0

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Find a polar equation of the conic with its focus at the pole. Conics \quad\quad Eccentricity \quad\quad Directrix Ellipse e=65x=3\quad\quad\quad e = \frac { 6 } { 5 } \quad\quad\quad x = -3

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Find the rectangular coordinates of the point given in polar coordinates.Round your results to two decimal places. (3.5,1.62)( 3.5,1.62 )

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Select the curve represented by the parametric equations. x=|t-2| y=t+6

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Find a set of parametric equations for the rectangular equation. t=2-x y=1-6

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Find the vertices and asymptotes of the hyperbola. x249y2100=1\frac { x ^ { 2 } } { 49 } - \frac { y ^ { 2 } } { 100 } = 1

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Select the graph of degenerate conic. y249x2=0y ^ { 2 } - 49 x ^ { 2 } = 0

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Find the standard form of the equation of the parabola with the given characteristic and vertex at the origin. Horizontal axis and passes through the point (3,2)( 3 , - 2 )

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Find the vertex, focus, and directrix of the parabola. y2=10xy ^ { 2 } = 10 x

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Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Passes through the point (2,4); horizontal axis

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Find the standard form of the equation of the ellipse with the given characteristics. Center: (15,5)( 15,5 ) ; a = 3b; Foci: (5,5),(25,5)( 5,5 ) , ( 25,5 ) , where a - thr semimajor axis, b - semiminor axis.

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The first artificial satellite to orbit Earth was Sputnik I (launched by the former Soviet Union in 1957).Its highest point above Earths surface was 943 kilometers, and its lowest point was 211 kilometers (see figure).The center of Earth was at one focus of the elliptical orbit, and the radius of Earth is 6392 kilometers.Find the eccentricity of the orbit.Round your results to four decimal place.  The first artificial satellite to orbit Earth was Sputnik I (launched by the former Soviet Union in 1957).Its highest point above Earths surface was 943 kilometers, and its lowest point was 211 kilometers (see figure).The center of Earth was at one focus of the elliptical orbit, and the radius of Earth is 6392 kilometers.Find the eccentricity of the orbit.Round your results to four decimal place.     x = 211 \mathrm {~km} , y = 943 \mathrm {~km}   x=211 km,y=943 kmx = 211 \mathrm {~km} , y = 943 \mathrm {~km}

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The Falls Incline Railway in Niagara Falls, Ontario, Canada is an inclined railway that was designed to carry people from the City of Niagara Falls to Queen Victoria Park.The railway is approximately 170 feet long with a 40% uphill grade (see figure).Using the origin of a rectangular coordinate system as the base of the inclined plane, find the equation of the line that models the railway track.  The Falls Incline Railway in Niagara Falls, Ontario, Canada is an inclined railway that was designed to carry people from the City of Niagara Falls to Queen Victoria Park.The railway is approximately 170 feet long with a 40% uphill grade (see figure).Using the origin of a rectangular coordinate system as the base of the inclined plane, find the equation of the line that models the railway track.      a = 170   a=170a = 170

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Select the polar equation with graph. Select the polar equation with graph.

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Find an equation of the ellipse with vertices (±9,0)( \pm 9,0 ) and eccentricity e=39e = \frac { 3 } { 9 } .

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