Choose the correct answer

I. Choose the best answer. Write the letter of your answer in your answer sheet. 1. What are the next three terms of the sequence 1, 11, 22, 34. ...? A. 46. 60, 75 B. 47. 61, 76 C. 42, 54. 66 D. 44. 60. 74 2. Which of the following is an arithmetic sequence? A. 1, 2, 3, 5. 7. 9... B. 1, 10, 20, 30... C. 1. -1. -3, -5... D. 7, - 7. 7. -7 . .. 3. Which term of the arithmetic sequence 5, 9, 13. 17. . . . is 401 ? A. 99" term C. 111" term B. 100" term D. 112" term 4. What is the arithmetic mean between 15 and 407 A. 28.5 B. 29 C. 26 D. 27 5 5. Which of the following is an example of a geometric sequence? A. 2.4. 6, 8. ... B. 12, 8, 4, 0. . .. C. X , K. 1, 2.... D. 1. 1/2 1/3 . 1/4 B. Which of the following scenarios could be modeled with a geometric sequence? A. Mrs. Andrada's weekly long run distance increases each week by 5km B. For every question you get wrong on this test, your score drops 2 points C. Your weekly allowance increases by 25 pesos each month D. An amount of money invested in a bank that offers an interest rate of 6% Compounded annually 7. A hall has 35 rows. Each successive row contains two additional seats. If the first row has 20 seats, how many seats are in the hall? A. 1.080 B. 1,100 C. 1,925 D. 1,890 8. Find the 12th term of the geometric sequence 1. 2, 4, 8,... A. 512 B. 1024 C. 2048 D. 1112 9. Find the two geometric means between = and A. _ and B. - and C. _ and D. - and 10, Find the sum of the first five terms of the geometric series 2, 8, 32, 120. ... A. 682 B. 243 C. 679 D. 743 11. What is the leading coefficient of the polynomial 5x" +47 + 415 + 13 + 1? A 3 8. 5 C. B D. 9 12. What is the quotient when (x] - 14x + 49) is divided by (x-7) ? A. X +7 B. x - 49 C. x - 7 D. x +4 13. Below is the solution when P(x) = x1 - 3x] - 45x - 25 is divided by (x - 5). 5 1 -3 0 -45 -25 5 10 50 25 2 10 5 Express the third row as a polynomial in x. A r + 2x' + 10x + 5 C. x] - 2x + 10r - 5 B. x]- 2r - 10x - 5 D.x - 2x - 10* + 5