Math 20 1 Chapter 1 Sequences and Series
![Math 20 -1 Chapter 1 Sequences and Series 1. 3 Geometric Sequences Teacher Notes Math 20 -1 Chapter 1 Sequences and Series 1. 3 Geometric Sequences Teacher Notes](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-1.jpg)
![Math 20 -1 Chapter 1 Sequences and Series 1. 3 B Geometric Sequences Arithmetic Math 20 -1 Chapter 1 Sequences and Series 1. 3 B Geometric Sequences Arithmetic](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-2.jpg)
![Geometric Sequences For the geometric sequence 4, 8, 16, 32, . . . a) Geometric Sequences For the geometric sequence 4, 8, 16, 32, . . . a)](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-3.jpg)
![Geometric Sequences, finding the value of tn Find the indicated term of the geometric Geometric Sequences, finding the value of tn Find the indicated term of the geometric](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-4.jpg)
![Determine the Value of the Common Ratio The frequencies of notes on a piano Determine the Value of the Common Ratio The frequencies of notes on a piano](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-5.jpg)
![Geometric Sequences, Determining a, r and tn In a geometric sequence, the sixth term Geometric Sequences, Determining a, r and tn In a geometric sequence, the sixth term](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-6.jpg)
![Geometric Sequences - Applications 1. A photocopy machine reduces a picture to 75% of Geometric Sequences - Applications 1. A photocopy machine reduces a picture to 75% of](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-7.jpg)
![Ball Bounce A ball is dropped from a height of 100 m. After each Ball Bounce A ball is dropped from a height of 100 m. After each](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-8.jpg)
![A ball is dropped from a height of 100 m. After each bounce it A ball is dropped from a height of 100 m. After each bounce it](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-9.jpg)
![A ball is dropped from a height of 100 m. After each bounce it A ball is dropped from a height of 100 m. After each bounce it](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-10.jpg)
![Geometric Sequences Determine the value of x which makes 2 , 2 x - Geometric Sequences Determine the value of x which makes 2 , 2 x -](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-11.jpg)
![Assignment Suggested Questions Page 39: 6 b, 9, 13, 16, 18, 25, 26 1. Assignment Suggested Questions Page 39: 6 b, 9, 13, 16, 18, 25, 26 1.](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-12.jpg)
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![Math 20 1 Chapter 1 Sequences and Series 1 3 Geometric Sequences Teacher Notes Math 20 -1 Chapter 1 Sequences and Series 1. 3 Geometric Sequences Teacher Notes](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-1.jpg)
Math 20 -1 Chapter 1 Sequences and Series 1. 3 Geometric Sequences Teacher Notes
![Math 20 1 Chapter 1 Sequences and Series 1 3 B Geometric Sequences Arithmetic Math 20 -1 Chapter 1 Sequences and Series 1. 3 B Geometric Sequences Arithmetic](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-2.jpg)
Math 20 -1 Chapter 1 Sequences and Series 1. 3 B Geometric Sequences Arithmetic and Geometric Sequences 1. 3. 1
![Geometric Sequences For the geometric sequence 4 8 16 32 a Geometric Sequences For the geometric sequence 4, 8, 16, 32, . . . a)](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-3.jpg)
Geometric Sequences For the geometric sequence 4, 8, 16, 32, . . . a) Determine the expression for the general term. b) Calculate the value of t 9. Find the common ratio: Use the general formula: t n = t 1 rn - 1 = 4(2)n - 1 = 22 + n - 1 tn = 2 n + 1 Use the general term: tn = 2 n + 1 t 9 = 29 + 1 t 9 = 1024 or t n = t 1 r n - 1 t 9 = 4(2)9 - 1 = 22(2)8 = 210 t 9 = 1024 1. 3. 2
![Geometric Sequences finding the value of tn Find the indicated term of the geometric Geometric Sequences, finding the value of tn Find the indicated term of the geometric](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-4.jpg)
Geometric Sequences, finding the value of tn Find the indicated term of the geometric sequence: t n = t 1 r n - 1 t 1 = n= 9 r= t 9 = ? 1. 3. 3
![Determine the Value of the Common Ratio The frequencies of notes on a piano Determine the Value of the Common Ratio The frequencies of notes on a piano](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-5.jpg)
Determine the Value of the Common Ratio The frequencies of notes on a piano keyboard approximate a geometric sequence. Determine the common ratio of the geometric sequence produced from the lowest key , A 0 at 27. 5 Hz, to the fourth key, C 1, at 32. 7 Hz. t 1 = r = n = t 4 = 27. 5 ? 4 32. 7 t n = t 1 r n - 1 32. 7 = (27. 5)r 4 - 1 1. 3. 4
![Geometric Sequences Determining a r and tn In a geometric sequence the sixth term Geometric Sequences, Determining a, r and tn In a geometric sequence, the sixth term](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-6.jpg)
Geometric Sequences, Determining a, r and tn In a geometric sequence, the sixth term is 972 and the eighth term is 8748. Determine t 1, r and tn, where r > 0. t 6 = 972 t 6 t 8 = 8748 t 7 t 8 t 6 (r)(r) = t 8 1. 3. 5
![Geometric Sequences Applications 1 A photocopy machine reduces a picture to 75 of Geometric Sequences - Applications 1. A photocopy machine reduces a picture to 75% of](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-7.jpg)
Geometric Sequences - Applications 1. A photocopy machine reduces a picture to 75% of its previous size with each photocopy taken. If it is originally 40 cm long, find its length after the tenth reduction. Now 1 2 3 4 5 6 7 8 9 10 11 t n = t 1 rn - 1 t 11 = 40(0. 75)11 - 1 = 2. 25 The picture will be 2. 25 cm long. 2. A car that is valued at $30 000 depreciates 20% in value each year. How much will it be worth in 6 years? Now 1 tn = t 1 rn - 1 t 7 = 30 000(0. 80)7 -1 t 7 = 7864. 32 2 3 4 5 6 7 1. 3. 6
![Ball Bounce A ball is dropped from a height of 100 m After each Ball Bounce A ball is dropped from a height of 100 m. After each](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-8.jpg)
Ball Bounce A ball is dropped from a height of 100 m. After each bounce it rises to 40% of its previous height. The relationship of the height of the bounce to the number of bounces forms a geometric sequence. 1. 3. 7
![A ball is dropped from a height of 100 m After each bounce it A ball is dropped from a height of 100 m. After each bounce it](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-9.jpg)
A ball is dropped from a height of 100 m. After each bounce it rises to 40% of its previous height. a) Write the first term and the common ratio of the geometric sequence. b) Write the general term of the sequence that relates the height of the bounce to the number of bounces. c) What height does the ball reach after the 8 th bounce? n=9 0. 066 m = 6. 6 cm 1. 3. 8
![A ball is dropped from a height of 100 m After each bounce it A ball is dropped from a height of 100 m. After each bounce it](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-10.jpg)
A ball is dropped from a height of 100 m. After each bounce it rises to 40% of its previous height. d) After how many bounces will the ball reach a height of approximately 41 cm? 0. 41 m 41 cm = ____ n=7 After the 6 th bounce. What strategies could you use to determine the value of n? 1. 3. 9
![Geometric Sequences Determine the value of x which makes 2 2 x Geometric Sequences Determine the value of x which makes 2 , 2 x -](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-11.jpg)
Geometric Sequences Determine the value of x which makes 2 , 2 x - 4 a geometric sequence. . 2 x-1 = 2 - 4 x-1= -4 x=-3 . 1. 3. 10
![Assignment Suggested Questions Page 39 6 b 9 13 16 18 25 26 1 Assignment Suggested Questions Page 39: 6 b, 9, 13, 16, 18, 25, 26 1.](https://slidetodoc.com/presentation_image_h/bb246d29bc85f0634fddc7eabba22682/image-12.jpg)
Assignment Suggested Questions Page 39: 6 b, 9, 13, 16, 18, 25, 26 1. 3. 11
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