Chapter 12: Problem 31
Use a graphing device to graph the ellipse. $$ 6 x^{2}+y^{2}=36 $$
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Chapter 12: Problem 31
Use a graphing device to graph the ellipse. $$ 6 x^{2}+y^{2}=36 $$
These are the key concepts you need to understand to accurately answer the question.
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Write a polar equation of a conic that has its focus at the origin and satisfies the given conditions. Ellipse, eccentricity \(\frac{1}{2},\) directrix \(y=-4\)
(a) Show that the asymptotes of the hyperbola \(x^{2}-y^{2}=5\) are perpendicular to each other. (b) Find an equation for the hyperbola with foci \(( \pm c, 0)\) and with asymptotes perpendicular to each other.
\(29-32\) . (a) Use the discriminant to identify the conic. (b) Confirm your answer by graphing the conic using a graphing device. $$ 6 x^{2}+10 x y+3 y^{2}-6 y=36 $$
\(23-34\) Complete the square to determine whether the equation represents an ellipse, a parabola, a hyperbola, or a degenerate conic. If the graph is an ellipse, find the center, foci, vertices, and lengths of the major and minor axes. If it is a parabola, find the vertex, focus, and directrix. If is a hyperbola, find the center, foci, vertices, and asymptotes. Then sketch the graph of the equation. If the equation has no graph, explain why. $$ x^{2}-4 y^{2}-2 x+16 y=20 $$
(a) Use rotation of axes to show that the following equation represents a parabola. $$ 2 \sqrt{2}(x+y)^{2}=7 x+9 y $$ (b) Find the \(X Y\) - and \(x y-\) coordinates of the vertex and focus. (c) Find the equation of the directrix in \(X Y\) - and \(x y\) coordinates.
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