For Exercises 7 and 8, use the following information. When an airplane flies faster than
Chapter 10, Problem 7(choose chapter or problem)
For Exercises 7 and 8, use the following information. When an airplane flies faster than the speed of sound, it produces a shock wave in the shape of a cone. Suppose the shock wave generated by a jet intersects the ground in a curve that can be modeled by the equation x2 - 14x + 4 = 9y2 - 36y. 7. Identify the shape of the curve.
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