OpenStax, Algebra and Trigonometry 2e §12.1 The Ellipse · Exercise 55 · Geometry · Conic sections
The Ellipse · Exercise 55
Use the given information about the graph of each ellipse to determine its equation.
Center at the origin, symmetric with respect to the x- and y-axes, focus at and major axis is twice as long as minor axis.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Algebra and Trigonometry 2e · §12.1 The Ellipse · Exercise 55
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