Quadratic graph lines are U- or Ո-shaped, which is called a parabola. A linear graph can be drawn using only three points. A quadratic graph is a curve, so more points are plotted to support accuracy.

Create a table consisting of data or use an existing table consisting of data. Now highlight the table and then go to the Insert tab and click the Object button. An Object dialog box will open. Scroll ...

My readers did it again! They submitted 28 entries of ways to visualize the table in Figure 1. This part of the Graph Makeover Contest was much more challenging than the redesign of the donut chart, ...

Carson MacPherson-Krutsky receives funding from The National Science Foundation. She is the co-owner of HazardReady, LLC. Since the days of painting on cave walls, people have been representing ...