1. Using Technology & Lines of Best Fit  I can construct graphs and lines of best fit using a graphing calculator.

2. Go to page 45, Example 2 in the textbook

4. Click ENTER on the cell, then add type in your data

5. Click ENTER to go to the cell below

7. Enter in your data

9. Click the HOME/ON button

11. Scroll the cursor to the bottom (x-axis), click and select the variable for the x-axis

12. Scroll the cursor to the left side (y-axis), click and select the variable for the y-axis

14. Click MENU, Analyze, Add Movable Line

15. Click MENU, Analyze, Regression, Show Linear (mx+b)

17. Summary:  New document  Lists and spreadsheets (to enter data)  Home  Graph button (picture of bar graph)  Add labels to x and y axes  Menu  Analyze  Regression  Show Linear (mx + b)  To get equation of line of best fit

18. More Practice Daily high temp (°C)Peak electricity demand (MW) 2419 503 2318 832 2419 150 2720 613 2921 544 3022 237 2620 082 2921 819 3223 488 3424 950