Lesson 3

1. Lesson 3

1.11. Explore 7

Mathematics 20-1 Module 1

Module 1: Sequences and Series

 

textbook

Turn to “Example 2” on page 26 of the textbook to see how you can use the clues to a problem and the series formula to set up a system of equations. You may recognize the system of equations from Are You Ready?

 

You can always use math skills you learned previously to solve problems. In this case, solving a system of equations is a skill you will use later in this course.

 

Self-Check 3

 

Complete questions 4.b., 5.a., 6.d., and 17 on pages 27 and 29 of the textbook. Show complete solutions. You may want to review relevant parts of Lesson 3 as you work through the problems. Answer