The length of the latus rectum of an ellipse is and its semi-major axis is

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

The length of the latus rectum of an ellipse is 55 and its semi-major axis is 44. What is the length of its semi-minor axis bb? (a) 20\sqrt{20} (b) 325\dfrac{32}{5} (c) 10\sqrt{10} (d) 5\sqrt{5}

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