Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 cos t, y = -2 sin t; 0 ? t ? 2?
A. 4x2 + 25y2 = 1; - 
? x ? 
B. 4x2 - 25y2 = 100; x ? 5
C. 4x2 - 25y2 = 1; x ? 
D. 4x2 + 25y2 = 100; -5 ? x ? 5
Answer: D
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