A quadratic function can be drawn as a parabola on a graph. Find out how to plot the graph in this Bitesize KS3 maths video.

How to Graph a Function in Excel. A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a ...

Graphs in Excel help break down your data into an easily digestible format. Here’s how to make a graph in Microsoft Excel.

Wondering how to make a graph in Google Sheets? Open your spreadsheet and get your data ready. It’s time for a crash course on chart creation in Google Sheets.

How to Make a Curved Graph on Excel. Microsoft Excel 2010 has the ability to smooth the line between data points on a graph to create a curved graph. However, you do not see this option when you ...

If you need to create a Line Chart and Scatter Plot in Excel, read through this article. We have also explained which one is right for you.

But how do you come up with a function to fit data? The basic idea is to create a quadratic function and vary the parameters such that the deviation of the actual data from the function is minimized.