1. Pen Tool McGraw-Hill Ryerson Pre-Calculus 11 Chapter 1 Sequences and Series Section 1.5 Click here to begin the lesson

2. Pen Tool McGraw-Hill Ryerson Pre-Calculus 11 Teacher Notes 1. This lesson is designed to help students conceptualize the main ideas of Chapter 1. 2. To view the lesson, go to Slide Show > View Show (PowerPoint 2003). 3. To use the pen tool, view Slide Show, click on the icon in the lower left of your screen and select Ball Point Pen. 4. To reveal an answer, click on or follow the instructions on the slide. To reveal a hint, click on. To view the complete solution, click on the View Solution button. Navigate through the lesson using the and buttons. 5. When you exit this lesson, do not save changes.

3. Pen Tool Infinite Geometric Series Fill in the blanks to complete the sentences, using the words below. Chapter 1 A(n) __________________ geometric series is a geometric series that has an __________________ number of terms; that is, the series has no last term. A(n) __________________ series is a series with an infinite number of terms, in which the sequence of partial sums approaches a fixed value. A(n) ___________________ series is a series with an infinite number of terms, in which the sequence of partial sums does not approach a fixed value. convergentdivergentinfinite Answer infinite; infinite convergent divergent

4. Pen Tool Infinite Geometric Series Consider the sequence 120, 60, 30, 15, 7.5, 3.75,... Assume the sequence is geometric. Determine the sum of the infinite geometric series. Chapter 1 Click here for the solution. Answer The sum of the infinite geometric series is 240.

5. Pen Tool The following pages contain solutions for the previous questions. Click here to return to the start

6. Pen Tool Solutions Go back to the question Since t 1 = 120 and r = The sum of the infinite geometric series is 240.