Many, many years ago, during my Algebra 2 class, we had the classic assignment of graphing parabolas. After a while of “select X, calculate Y,” I came to the conclusion that there had to be a simpler ...

Use an iPad® if you want your students to graph parabolas with ease and grasp vocabulary quickly. The Free Graphing Calculator app can be downloaded to explore axis of symmetry, roots, maxima, minima, ...