1.

What is the equation of the ellipse whose vertices are (± 5, 0) and foci are at (± 4, 0)?

A. \(\frac{{{x^2}}}{{25}} + \frac{{{y^2}}}{9} = 1\)
B. \(\frac{{{x^2}}}{{16}} + \frac{{{y^2}}}{9} = 1\)
C. \(\frac{{{x^2}}}{{25}} + \frac{{{y^2}}}{{16}} = 1\)
D. \(\frac{{{x^2}}}{9} + \frac{{{y^2}}}{{25}} = 1\)
Answer» B. \(\frac{{{x^2}}}{{16}} + \frac{{{y^2}}}{9} = 1\)


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