1. Pen Tool McGraw-Hill Ryerson Pre-Calculus 11 Chapter 1 Sequences and Series Section 1.4 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 Geometric Series A geometric series is the sum of the terms of a geometric sequence. Write the general formula for the sum of the first n terms of a geometric series with the first term, t 1, and the common ratio, r. Chapter 1 If the first term, the common ratio, and the nth term are known, write a variation of the above formula. Answer

4. Pen Tool Geometric Series Jason is drawing a squared spiral on a paper. If each new segment is 2 times the length of the previous segment and the length of the first segment is 2 cm, determine the total length of the spiral if there are 7 segments in total. Chapter 1 Click here for the solution. Answer The total length of the segments is 254 cm.

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 t 1 = 2 r = 2 n = 7 t 1 (r n – 1) r – 1 S n = 2 (2 7 – 1) 2 – 1 S n = 2 (127) 2 – 1 S n = S n = 254 The total length of the segments is 254 cm.