Assertion: rotated ellipse | /r/HasProperty | centered at the origin
Facets:
Source sentences:
text: In this way we see that the equation for a rotated ellipse, centered at the origin is a quadratic with a nonzero x y term.
text: We have seen that a rotated ellipse, centered at the origin, is always given by an equation of the form A x 2 + B x y + C y 2 = 1, where A and C are positive, and B 2 − 4 A C < 0.