Algebra

Conic Sections

Circle

$$(x-h{)}^2+(y-k{)}^2=r^2$$

Ellipse

$$\frac{(x-h{)}^2}{a^2}+\frac{(y-k{)}^2}{b^2}=1$$

Hyperbola

$$\frac{(x-h{)}^2}{a^2}-\frac{(y-k{)}^2}{b^2}=1$$

Parabola

$$y=x^2$$ $$x=y^2$$