Lesson 2
1. Lesson 2
1.8. Explore 4
Module 1: Sequences and Series
Example: Part-Time Job
Now that you have studied the relationship between arithmetic sequences and linear terms, you are ready to investigate the application of these principles in a problem-solving context. Work through Part-Time Job. See how you can use both sequences and linear functions to solve a problem related to earning income.
Throughout this interactive example you will be given a chance to try each step before you see the answer. Once you have tried a step, select the Check button to compare your solution to the solution provided in the example.
In Part-Time Job you should have discovered that you can use the properties of linear functions to set up and solve an arithmetic-sequence problem. Conversely, you can also use an arithmetic sequence to solve a problem involving linear functions!
Try This 2
Photodisc/Thinkstock
Use the photo shown to respond to the following questions.
- What is the significance of a staircase made of money?
- What part of the lesson does the photo remind you of?
- What is the connection between steps in a staircase and arithmetic sequences?
- What other analogies can you think of that could be used to describe arithmetic sequences? You may wish to describe your thoughts in paragraph-form or to find a photo that represents your analogy.
Save your responses in your course folder.
Share 2
Share your responses to Try This 2 question 4 with a partner or group. Create a combined list of analogies used to describe arithmetic sequences.
Save a copy of this list in your course folder. You will need this list to complete the Lesson 2 Assignment.
Self-Check 2

Complete questions 7, 13, 16, 17, and 19 on pages 17 to 19 of the textbook. Show your work to support your answers. You may find you need to review relevant parts of this lesson as you work through the problems. Answer