Chapter 10: Q. 30 (page 668)
In Problems 29–36, find the center, transverse axis, vertices, foci, and asymptotes. Graph each equation by hand. Verify your graph using a graphing utility.
Short Answer
Graph of the equation is:

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Chapter 10: Q. 30 (page 668)
In Problems 29–36, find the center, transverse axis, vertices, foci, and asymptotes. Graph each equation by hand. Verify your graph using a graphing utility.
Graph of the equation is:

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In Problems 15–18, the graph of a hyperbola is given. Match each graph to its equation.
Equations:
Graph:

Whispering Gallery: A hall feet in length is to be designed as a whispering gallery. If the foci are located feet from the center, how high will the ceiling be at the center?
Except for degenerate cases, the equationdefines an ellipse if ________ .
Semi elliptical Arch Bridge: A bridge is built in the shape of a semi elliptical arch. The bridge has a span of feet and a
maximum height of feet. Choose a suitable rectangular coordinate system and find the height of the arch at distances
of and feet from the center.
The sum formula for the sine function is.
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