Dr. Math helps a student with the plotting and with finding the vertex and line of symmetry of a parabola.

This site provides descriptions and helpful hints regarding conic sections - circles, parabolas, ellipses, and hyperbolas. Content also includes interactive problem solvers complete with a full analysis of the math behind the answer.

A concise description of ionization energy, and a line graph that plots the ionization energies of the first 88 elements vs. the atomic numbers.