For this section, it would be helpful to review the guide to solving word problems.

Modelling a real-life scenario using linear equations:

Scatter plots and linear relationships:

Finding and using the line of best fit:

This is a video that I made this section of Miller, O’Neill Hyde section 3.6 #8,

https://youtu.be/dF-jUWvZE7w

Here is a video I made for 3.6 #9

https://youtu.be/X5955MocQjA

Here is 3.6 #5 solution worked out for section 3.6. problem #5, and another for problem #14 (which are the same problem.

3-6-5-linear-equation-application

3-6-application-linear-func-given-two-points

Here’s Khan Academy’s lesson:

Khan Academy’s Examples of Linear Modelling