Equation of Conic Section/Cartesian Form/Also presented as

Equation of Conic Section: Cartesian Form: Also presented as

The equation for the general conic section can also be found expressed in the form:

$a x^2 + 2 h x y + b y^2 + 2 g x + 2 f y + c = 0$

for some $a, b, c, f, g, h \in \R$.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): conic (conic section)
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): conic (conic section)