4. An elliptical track has a major axis that is 80 yards long and a minor axis that is 72 yards long. Find an equation for the track if its center is (0, 0) and the major axis is the x-axis. 72 = 1 80 x2 1296 1 1600 y2 1 72 %3D 80 x2 = 1 1600 1296

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