Exam 11: Parametric Equations and Polar Coordinates

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Sketch the graph of the polar equation. (Find a corresponding x-y equation if it helps.) Sketch the graph of the polar equation. (Find a corresponding x-y equation if it helps.)    Sketch the graph of the polar equation. (Find a corresponding x-y equation if it helps.)

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Graph the conic section with focus Graph the conic section with focus   and the given directrix and eccentricity. Directrix    and the given directrix and eccentricity. Directrix Graph the conic section with focus   and the given directrix and eccentricity. Directrix    Graph the conic section with focus   and the given directrix and eccentricity. Directrix

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Use a graphing utility to graph the conic section with focus (0, 0) and the given directrix and eccentricity. Use a window size of [-3, 3] by [-3, 3]. Directrix y = -1, e = 3

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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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Find the rectangular representation of the given polar point. Find the rectangular representation of the given polar point.

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

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Find the arc length of the given curve. Round to the nearest ten-thousandth. Find the arc length of the given curve. Round to the nearest ten-thousandth.

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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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Using the limit definition of integration, show that the area A bounded by the polar curve Using the limit definition of integration, show that the area A bounded by the polar curve   and the rays   and   is given by  and the rays Using the limit definition of integration, show that the area A bounded by the polar curve   and the rays   and   is given by  and Using the limit definition of integration, show that the area A bounded by the polar curve   and the rays   and   is given by  is given by Using the limit definition of integration, show that the area A bounded by the polar curve   and the rays   and   is given by

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Find the slope of the tangent line to the given curve at the indicated point. Find the slope of the tangent line to the given curve at the indicated point.

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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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Find an equation for the indicated conic section. Parabola with focus (-6, 3) and directrix x = 0

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Use a CAS or graphing calculator to sketch the plane curve defined by the given parametric equations. Use a window size of [-5, 5] by [-5, 5]. Use a CAS or graphing calculator to sketch the plane curve defined by the given parametric equations. Use a window size of [-5, 5] by [-5, 5].

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The time required for a skier, initially at rest, to ski from point A to point B on an inclined plane (where B is not directly downhill from A is given by: The time required for a skier, initially at rest, to ski from point A to point B on an inclined plane (where B is not directly downhill from A is given by:   . In the equation above, a is the value of the parameter u at point A, b is the value of u at point B, and k is a constant. The expressions x(u) and y(u) represent parametrically the trajectory taken by the skier. The straight downhill direction is assumed to be in the direction of increasing values of y. Find the time required to complete the trip if the skier chooses the following trajectory:   . . In the equation above, a is the value of the parameter u at point A, b is the value of u at point B, and k is a constant. The expressions x(u) and y(u) represent parametrically the trajectory taken by the skier. The "straight downhill" direction is assumed to be in the direction of increasing values of y. Find the time required to complete the trip if the skier chooses the following trajectory: The time required for a skier, initially at rest, to ski from point A to point B on an inclined plane (where B is not directly downhill from A is given by:   . In the equation above, a is the value of the parameter u at point A, b is the value of u at point B, and k is a constant. The expressions x(u) and y(u) represent parametrically the trajectory taken by the skier. The straight downhill direction is assumed to be in the direction of increasing values of y. Find the time required to complete the trip if the skier chooses the following trajectory:   . .

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Find the vertex, focus, and directrix of the given parabola. Find the vertex, focus, and directrix of the given parabola.

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Find a polar equation for the conic section with focus Find a polar equation for the conic section with focus   and the given directrix and eccentricity. Directrix    and the given directrix and eccentricity. Directrix Find a polar equation for the conic section with focus   and the given directrix and eccentricity. Directrix    Find a polar equation for the conic section with focus   and the given directrix and eccentricity. Directrix

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Use a graphing utility to graph the conic section with focus (0, 0) and the given directrix and eccentricity. Use a window size of [-1, 1] by [-1, 1]. Directrix y = 1, e = 0.3

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Find all points at which the two curves intersect. Round to the nearest ten-thousandth. Find all points at which the two curves intersect. Round to the nearest ten-thousandth.

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Find the slope of the tangent line to the polar curve at the given point. Find the slope of the tangent line to the polar curve at the given point.

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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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