Question

Use quadratic regression to findthe equation of the parabolagoing through these 3 points.(2,-33), (4,5), (5,39)

Answer 1

We will have to find the line of best fit or regression line for the three points.

Using a graphing calculator the line is as given below

The regression line is given by

$y=5x^2-11x-31$

y = 5x² - 11x - 31