- A parabola is the path a ball follows when it is thrown.
- A parabola is a curvy bowl shape:
x y -3 9 -2 4 -1 1 0 0 1 1 2 4 3 9 - A parabola is a polynomial of degree 2. It can be written in an expanded form like $f(x) = Ax^2 + Bx + C$ or a factored form like $f(x) = A(x - B)(x - C)$
- All the points on a parabola are the same distance from a special point called the
*focus*as they are from a special line called the*directrix*. - A parabola is the shape you get when you slice through a cone like this: