Exam 12: Parametric Equations, Polar Coordinates, and Conic Sections

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Find a parametrization for the curve Find a parametrization for the curve   from   to   . from Find a parametrization for the curve   from   to   . to Find a parametrization for the curve   from   to   . .

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Find the speed and arc length of Find the speed and arc length of   ,   . , Find the speed and arc length of   ,   . .

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Convert the equation Convert the equation   to polar coordinates. to polar coordinates.

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Find the arc length of the loop of the curve given by the parametric equations Find the arc length of the loop of the curve given by the parametric equations   .  . Find the arc length of the loop of the curve given by the parametric equations   .

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The part of the parabola The part of the parabola   has a length of   . Find the focus and directrix of the parabola. Use   . has a length of The part of the parabola   has a length of   . Find the focus and directrix of the parabola. Use   . . Find the focus and directrix of the parabola. Use The part of the parabola   has a length of   . Find the focus and directrix of the parabola. Use   . .

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Write the standard equation for the ellipse with foci at Write the standard equation for the ellipse with foci at   and   , and vertices at   and   . and Write the standard equation for the ellipse with foci at   and   , and vertices at   and   . , and vertices at Write the standard equation for the ellipse with foci at   and   , and vertices at   and   . and Write the standard equation for the ellipse with foci at   and   , and vertices at   and   . .

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Consider the limaçon Consider the limaçon   .    A) Express   as functions of   , and find   and   .  B) Find the slopes of the tangent lines to the inner loop of the limaçon at the origin. . Consider the limaçon   .    A) Express   as functions of   , and find   and   .  B) Find the slopes of the tangent lines to the inner loop of the limaçon at the origin. A) Express Consider the limaçon   .    A) Express   as functions of   , and find   and   .  B) Find the slopes of the tangent lines to the inner loop of the limaçon at the origin. as functions of Consider the limaçon   .    A) Express   as functions of   , and find   and   .  B) Find the slopes of the tangent lines to the inner loop of the limaçon at the origin. , and find Consider the limaçon   .    A) Express   as functions of   , and find   and   .  B) Find the slopes of the tangent lines to the inner loop of the limaçon at the origin. and Consider the limaçon   .    A) Express   as functions of   , and find   and   .  B) Find the slopes of the tangent lines to the inner loop of the limaçon at the origin. . B) Find the slopes of the tangent lines to the inner loop of the limaçon at the origin.

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The exact value of the area that lies inside The exact value of the area that lies inside   and outside   is approximately which of the following?  and outside The exact value of the area that lies inside   and outside   is approximately which of the following?  is approximately which of the following? The exact value of the area that lies inside   and outside   is approximately which of the following?

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Write the equation of Write the equation of   in Cartesian coordinates. in Cartesian coordinates.

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Find the area of the surface generated by revolving the curve Find the area of the surface generated by revolving the curve   about the x-axis. about the x-axis.

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Calculate the area under the parametrized curve given by Calculate the area under the parametrized curve given by   for   . for Calculate the area under the parametrized curve given by   for   . .

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