SAT Math Subject 2 > Circles, Parabolas, and Ellipses > Flashcards
Equation of a parabola
y = ax^2 + bx^2 + c
Or
x = ay^2 + by^2 + c
Equation of ellipse
(X-h)^2/a^2 + (y-k)^2/b^2 = 1
Equation of a circle
X^2+y^2=r^2