Day 1

Daily Objective: Students will use the line of best fit to find the equations of lines.

This is a Line of Best Fit.  To find one, you need to find the line that connects the most points.  Then you draw a straight line connecting these points. 

The Line of best fit is a line on a scatter plot that connects the most points while staying straight.

Quiz:
Question 1: Graph a line of best fit on a graph with the points 0, 10 3, 24  7, 54 10, 82 and 12, 96.
Question 2: Graph a line of best fit on a graph with the points  0, 5  2, 16  5, 34  7,  52 and 10, 103
Question 3: Graph a line of best fit on a graph with the points 0, 12  4, 30  8, 62  10,  66 and 11, 89

Answer Key:
Q 1:

Top=# 2 Middle=# 3 Bottom=#1 of Answer Key. Graphs should look like this.