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Marcial O.Rañola Memorial School Guinobatan, Albay Summative Test First Grading Period SY 2021 – 2022 Name:_______________________ Grade and Section:____________ Date:____ Direction: Choose the letter corresponding to the best answer. 1. What is the next number in the sequence 36, 30, 24, 18, …? a. 12 b. 11 c. 10 d. 9 2. What is the nth term of the sequence 11, 16, 21, 26, …? a. ???????? = 6???? + 5 b. ???????? = 6???? − 5 c. ???????? = 5???? + 6 d. ???????? = 5???? − 6 3. What is the 8th term of the sequence ???????? = 6???? − 7? a. 29 b. 30 c. 31 d. 41 4. If the terms of an arithmetic sequence are in increasing order, then the common difference is a. positive b. negative c. greater than 1 d. less than 1 5. Which of these following expressions represents the fourth term of an arithmetic sequence? a. ????1 + 3 b. ????1 + 4 c. ????1 + 4???? d. ????1 + 3???? 6. Which of the following describes an arithmetic sequence? 1 a. ???????? = 6????2 b. . ???????? = 6???? c. ???????? = d. . ???????? = 6???? 6???? 7. Which of these words has the same meaning as arithmetic mean? a. p roduct b. difference c. average d. sum 8. A term that is between two terms of an arithmetic sequence is called an arithmetic ________. a. series b. progression c. term d. mean 9. How many arithmetic means may be inserted between two terms of an arithmetic sequence? a. 1 b. 2 c. any number d. none of these 10. Which of the following values cannot be a common ratio of a geometric sequence? a. -1 b. 1 c. 0 d. ½ 11. Which of the following is a geometric sequence? a. 3, 7, 11, 15, … b. 1/2, 1/3, 2/9, … c. 4, 4.5, 5, … d. 2, 3, 5, 8, … 12. What is the common ratio of the sequence whose first term and third terms are 2 and 32, respectively? a. ±2 b. ±4 c. -8 d. 8 13. An arithmetic sequence has a common difference while a geometric sequence has a common ________. a. sum b. product c. ratio d. none of these 14. Which of the following is an arithmetic sequence? a. 1/2, 1, 3/2, … b. 1, -1, 1, -1, … c. 1/2, 1/4, 1/8, … d. -2, 4, -8, … 15. Which of these is a geometric sequence? a. 2, 5, 8, 11, … b. 1, 0, 0, 0, … c. -2, 4, -8, … d. -2, -4, -6, …