1. Lesson 4

Mathematics 30-3 Module 3

Module 3: Algebra

 

Lesson 4: Applying Linear Relations and Solving Problems

 

This photograph shows a sign cautioning a steep grade on a mountain.

iStockphoto/Thinkstock

Focus

 

Linear relations are common in your life; you just have to be aware of these relationships.

 

Can you think of a set of labels and a scenario to match the graph shown? How many scenarios can you think of that this graph could be used for? What is similar about all of the scenarios you came up with?

 

This graph shows a linear relation with a negative slope. The line falls from upper left to lower right.

 

Lesson Outcome

 

At the end of this lesson you will be able to solve problems involving linear relations.

 

Lesson Questions


You will investigate the following questions:

  • How do linear relations connect with the workplace?
  • What applications involve linear relations?
Assessment

 

Your assessment may be based on a combination of the following tasks:

  • completion of the Lesson 4 Assignment (Download the Lesson 4 Assignment and save it in your course folder now.)
  • course folder submissions from Try This and Share activities
Materials and Equipment

 

You will need

  • ruler or straight edge