1. 1.3 Modeling with Linear Functions Exploration 1 & 2
Daily Warm-Up
1.3 Modeling with Linear Functions Exploration 1 & 2

2. Modeling with Linear Functions
1.3

3. Example 1

4. Example 1

5. Vocabulary
Line of Fit—used when the data in a scatter plot shows an approximately linear relationship
Finding a Line of Fit
Step 1: Create a scatter plot of the data
Step 2: Sketch a line through the points where there are as many points above the line as there are points below it.
Step 3: Choose Two points on the line and estimate the coordinates.
Step 4: Write an Equation for the line of best fit

6. Vocabulary
Line of Best Fit— the line that lies as close as possible to all of the data points
Correlation Coefficient— a number from -1 to 1 that measures how well a line fits a set of data pairs (x,y)
Denotated with r

7. Example 2

8. Example 3