OpenStax, Algebra and Trigonometry 2e §12.4 Rotation of Axes · Example 2 · Geometry · Conic sections

Identify conic sections by their equations.

ⓐ $x = - y^{2} - 2 y + 3$
ⓑ $9 y^{2} - x^{2} + 18 y - 4 x - 4 = 0$
ⓒ $9 x^{2} + 25 y^{2} = 225$
ⓓ $x^{2} + y^{2} - 4 x + 10 y - 7 = 0$

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §12.4 Rotation of Axes · Example 2

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.