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Directions: Write your answer before the number. 1. Which of these forms a geometric sequence? A. 4, 10, 16, 22 B. %, %, 1/6, 1/8 C. 5, 8, 13, 21, 34 D. 6, 18, 54, 162

Directions: Write your answer before the number. 1. Which of these forms a geometric sequence? A. 4, 10, 16, 22 B. %, %, 1/6, 1/8 C. 5, 8, 13, 21, 34 D. 6, 18, 54, 162

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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..lISMART ® A A 1:22 100% + Output 4 GM... Output 4 INDIVIDUAL Geometric Means and Series Assessment Directions: Write your answer before the number. 1. Which of these forms a geometric sequence? A. 4, 10, 16, 22 2. What geometric mean is between 3 and 108? B. %, ¾, 1/6, 1/8 C. 5, 8, 13, 21, 34 D. 6, 18, 54, 162 C. 52.5 D. ± 18 В. 18 3. Which term is the 7ª term of the geometric sequence 8, 16, 32, 64, . ? В. 512 4. The geometric sequence has a, = 24 and 7 ='/,, which number is the 4ª term of the A. -18 A. 256 C. 1024 D. 2048 geometric sequence? A. 3/2 C. 192 D. 384 В.3 5. If a, =-72 and a, =-/of the geometric sequence, what is r? В.6 A. 2 C.= D. = 6. Which terms are to be inserted between /, and 32 to form a geometric sequence? B. 4, 2, 8 7. Find t so that the terms t – 1, t + 1, t+7, and t + 25 form a geometric sequence. A. 1, 4, 16 C. 4, 8, 16 D. 4, 8, 16 A.1 В.2 C. 3 D. 4 8. Find the sum of the first 20 terms of the sequence -7, -7, -7, -7, -7, ... В. -7 9. Compute the sum of all terms of the sequence 48, 24, 12, 6, 3, ...that are less than 48. В.54.5 A. -140 C. O D. 140 A.48 С. 72 D. 96 10. Assuming that the tuition fee in a private school increases at the rate of 5% every school year. What equation will represent the tuition fee (T_)? A. T. = T (0.5)' B. T, = T,(0.05) C. T. =T,(1– 0.5) D. I, = T,(1+0.5)'
Transcribed Image Text:..lISMART ® A A 1:22 100% + Output 4 GM... Output 4 INDIVIDUAL Geometric Means and Series Assessment Directions: Write your answer before the number. 1. Which of these forms a geometric sequence? A. 4, 10, 16, 22 2. What geometric mean is between 3 and 108? B. %, ¾, 1/6, 1/8 C. 5, 8, 13, 21, 34 D. 6, 18, 54, 162 C. 52.5 D. ± 18 В. 18 3. Which term is the 7ª term of the geometric sequence 8, 16, 32, 64, . ? В. 512 4. The geometric sequence has a, = 24 and 7 ='/,, which number is the 4ª term of the A. -18 A. 256 C. 1024 D. 2048 geometric sequence? A. 3/2 C. 192 D. 384 В.3 5. If a, =-72 and a, =-/of the geometric sequence, what is r? В.6 A. 2 C.= D. = 6. Which terms are to be inserted between /, and 32 to form a geometric sequence? B. 4, 2, 8 7. Find t so that the terms t – 1, t + 1, t+7, and t + 25 form a geometric sequence. A. 1, 4, 16 C. 4, 8, 16 D. 4, 8, 16 A.1 В.2 C. 3 D. 4 8. Find the sum of the first 20 terms of the sequence -7, -7, -7, -7, -7, ... В. -7 9. Compute the sum of all terms of the sequence 48, 24, 12, 6, 3, ...that are less than 48. В.54.5 A. -140 C. O D. 140 A.48 С. 72 D. 96 10. Assuming that the tuition fee in a private school increases at the rate of 5% every school year. What equation will represent the tuition fee (T_)? A. T. = T (0.5)' B. T, = T,(0.05) C. T. =T,(1– 0.5) D. I, = T,(1+0.5)'
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