This is the only conic section with a single vertex.
A "universal constant" associated with this curve is equal to radical two plus the natural log of the quantity one plus radical two. That constant is the ratio of the arc length between the two points where this curve intersects the latus rectum to the semilatus rectum. This curve is the set of points equidistant from a point called the (*) focus and a line called the directrix. This is the only conic section with a single vertex. For 10 points, name this curve traced out by any quadratic equation ax2 + bx + c.
A "universal constant" associated with this curve is equal to radical two plus the natural log of the quantity one plus radical two.
parabola