Exam 11: Parametric Equations and Polar Coordinates

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Find all points of intersection of the two curves. Find all points of intersection of the two curves.

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Which graph below corresponds to the given parametric equations? Which graph below corresponds to the given parametric equations?

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At time t = 0 seconds, a hockey puck is headed towards the "board" (the wall around the perimeter of the area of play) as shown in the figure (the view is from above the playing surface). At that same instant, a hockey player at a different position on the ice is headed straight up the ice in order to intercept the puck (see figure). The trajectories of the puck and the player are described by the following set of parametric equations: At time t = 0 seconds, a hockey puck is headed towards the board (the wall around the perimeter of the area of play) as shown in the figure (the view is from above the playing surface). At that same instant, a hockey player at a different position on the ice is headed straight up the ice in order to intercept the puck (see figure). The trajectories of the puck and the player are described by the following set of parametric equations:   Find the location(s) of intersection of the trajectories of the player and the puck. Distances are in feet and time is in seconds.   [figure is not necessarily drawn to scale] Find the location(s) of intersection of the trajectories of the player and the puck. Distances are in feet and time is in seconds. At time t = 0 seconds, a hockey puck is headed towards the board (the wall around the perimeter of the area of play) as shown in the figure (the view is from above the playing surface). At that same instant, a hockey player at a different position on the ice is headed straight up the ice in order to intercept the puck (see figure). The trajectories of the puck and the player are described by the following set of parametric equations:   Find the location(s) of intersection of the trajectories of the player and the puck. Distances are in feet and time is in seconds.   [figure is not necessarily drawn to scale] [figure is not necessarily drawn to scale]

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Find a polar equation for the conic section with focus (0, 0) and the given directrix and eccentricity. Directrix y = -2, e = 2

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Find parametric equations describing the given curve. The circle of radius 5 centered at Find parametric equations describing the given curve. The circle of radius 5 centered at   , drawn counterclockwise , drawn counterclockwise

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Compute the surface area of the surface obtained by revolving the given curve about the indicated axis. Compute the surface area of the surface obtained by revolving the given curve about the indicated axis.

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Find parametric equations describing the given curve. The portion of the parabola Find parametric equations describing the given curve. The portion of the parabola   from   to  from Find parametric equations describing the given curve. The portion of the parabola   from   to  to Find parametric equations describing the given curve. The portion of the parabola   from   to

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Find parametric equations for the path of a projectile launched from height Find parametric equations for the path of a projectile launched from height   ft with initial speed   ft/s at angle   from the horizontal. ft with initial speed Find parametric equations for the path of a projectile launched from height   ft with initial speed   ft/s at angle   from the horizontal. ft/s at angle Find parametric equations for the path of a projectile launched from height   ft with initial speed   ft/s at angle   from the horizontal. from the horizontal.

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Find an equation for the indicated conic section. Hyperbola with foci (-1, 18), (-1, -16) and vertices (-1, 16), (-1, -14)

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For the given parametric equations, find a corresponding x-y equation for the curve. For the given parametric equations, find a corresponding x-y equation for the curve.

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Find a polar equation corresponding to the given rectangular equation. x = 1

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Plot the given polar point. Plot the given polar point.    Plot the given polar point.

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For the given parametric equations, find a corresponding x-y equation for the curve. For the given parametric equations, find a corresponding x-y equation for the curve.

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Identify all points at which the curve has a vertical tangent. Identify all points at which the curve has a vertical tangent.

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Identify all values of Identify all values of   where r = 0.  where r = 0. Identify all values of   where r = 0.

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Find all polar coordinate representations of the given rectangular point. Find all polar coordinate representations of the given rectangular point.

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Find the vertices, foci, and directrices of the given ellipse. Find the vertices, foci, and directrices of the given ellipse.

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Find parametric equations for the path of a projectile launched from height Find parametric equations for the path of a projectile launched from height   ft with initial speed   ft/s at angle   from the horizontal. ft with initial speed Find parametric equations for the path of a projectile launched from height   ft with initial speed   ft/s at angle   from the horizontal. ft/s at angle Find parametric equations for the path of a projectile launched from height   ft with initial speed   ft/s at angle   from the horizontal. from the horizontal.

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For the given parametric equations, find a corresponding x-y equation for the curve. For the given parametric equations, find a corresponding x-y equation for the curve.

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Sketch the plane curve defined by the given parametric equations. Sketch the plane curve defined by the given parametric equations.    Sketch the plane curve defined by the given parametric equations.

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