in case you didn't pay attention in class, just google
parabola of best fit
for a clear explanation of the steps involved.
There are also handy online calculators to verify your result.
Post your work if you get stuck.
The predicted revenue trend for a popcorn stand at a fair, as the price of a container of popcorn changes is shown in the table.
Price ($)
1.50 1.75 2.00 2.25 2.50 2.75 3.00
Revenue ($)
252 265 272 280 285 278 270
Find the equation of the parabola of best fit.
Find the coordinates of the vertex.
Determine, in vertex form, the equation of the parabola of best fit.
1 answer