OpenStax, Algebra and Trigonometry 2e §12.4 Rotation of Axes · Try It 3 · Geometry · Conic sections

Rotation of Axes · Try It 3

Identify the conic for each of the following without rotating axes.

ⓐ $x^{2} - 9 x y + 3 y^{2} - 12 = 0$
ⓑ $10 x^{2} - 9 x y + 4 y^{2} - 4 = 0$

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OpenStax, Algebra and Trigonometry 2e · §12.4 Rotation of Axes · Try It 3

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