Curve of Best Fit

a scatterplot

The scatterplot above shows the number of tickets sold to a talent show at a local high during the past several years.

A line is not always the best choice to model a given data set. In this topic, you will learn how to estimate the curve of best fit. You will also use the graphing calculator to determine the equation of a curve of best fit.

Essential Questions

  • How can you determine the equation of the curve of best fit?
  • How can you use mathematical models of quadratic functions to solve problems?