👉 Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, ...

Plotting a graph takes time. Often mathematicians just want to know the key features. These are: shape, location and some key points (such as where the graph crosses the axes or turning points).

A function is a rule that is applied to one set of values to give another set of values. A function can be illustrated on a graph – points are plotted as coordinates and joined by either a straight ...

As part of a series of electronic professional development experiences for educators, the NASA Explorer Schools project is hosting a 60-minute Web seminar on Sept. 27, 2011, at 8 p.m. EDT. Investigate ...