In Math / Junior High School | 2025-08-19

What is the geometric mean between and 9? 1 A 0 B. 1 C. 2 D.3 2. Find the 4th term of the geometric sequence whose first term is 3 and common ratio 5. A. 625 B. 425 C. 415 D. 375 3. Find the sum of the first five terms of the geometric sequence 0.2, 0.02, 0.002,... A 2.2 B. 2.0 C. 0.20 D. 0.22222 4. Find the sum to infinity of geometric sequence.11 A B. C. D. 101001000 10 5. If three geometric means are inserted between 3 and 48, find the value of the second geometric mean A. 8 B. 10 C. 12 D. 24 6. Which of the following is the nth term of the given geometric sequence if the a₁ = 3 and r = 2? A. an = 2(3)-1 B. an = 3(2)-1 C. an = (3)-1 D. an = (2)5-1 7. A culture of bacteria doubles every hour. If there are 500 bacteria at the first hour, how many bacteria will there be after 4 hours? A. 500 B. 1500 C. 3000 D. 4000 8. A rocket rises 30 feet after 1 second, 85 feet after 2 seconds and 140 feet after 3 seconds, if it continues to rise at this rate, how many feet will it rise after 16 seconds? A. 780 ft B. 830 ft C. 845 ft D. 855 ft 9. Dominique saved 10 pesos on the first day of the year, 12 pesos on the second day, 14 pesos on the third day and so on, up to the end of the year. How much did she save on the 365th day? A. Php 700 B. Php 718 C. Php 738 D. Php 768 10. During an enrolment in a certain barangay high school 25 students are enrolled in the first day, 35 students on the second day, and 45 students enrolled on the third day. Considering the difference of enrolment in three days, what is the total number of students after a seven-day enrolment? A. 360 B. 385 C. 400 D. 410

Asked by angelacecedenio