Questions


December 2021 0 4 Report
5. What is the 6th term of the sequence whose nth term is an = n2-47 a 8.
b. 20
C. 32
d 36
6. What is the sum of the arithmetic sequence 9, 15, 21, 27, 33, 39, 45,517
a 210 .
b. 220
c. 230
d. 240
7. Find the ratio of this sequence 3. -9,27,-81,... a - 1 b. -2 C-3 d-6 8. Which of the following is a geometric sequence?
a. 1,2,3,4,5
c. 12, %, 1/6, 1/9
b 2.1.4, 2,6
d. 3,9, 27,81
9. Which of the following sequences where every term after the first is obtained by constant called the common difference?
a. Arithmetic
b. Fibonacci
c. Geometric
d. Harmonic
10. Which of the following terms determines by dividing any term that precedes it?
a common term
c. common difference
b common ratio
d. common sequence
11. What is the geometric mean of 2 and 8?
a 3
b. 4
C. 5
D. 8
12. What is the sum of the first 8 terms of the geometric sequence if a = 1 and r = 2
a 254
b. 255
c. 256
d. 257
13. A rocket rises 30 feet after 1 second 85 feet after 2 seconds, and 140 feet after If it continues to rise at this rate, how many feet will it rise after 16 seconds?
A. 780 ft
b. 830 ft
c. 0.855 ft
d. 910 ft
14. What is the sum of the first ten consecutive even integers?
A. 90
b 100
c 110
d. 120
15. What is the quotient when x - 4 is divided by x+27?
A. - x - 2
b. X-2
c. X + 4
dx-4
16. If (118x - 4x - 2x + 7x + 3) is divided by (x-3) using synthetic division, the numbers in the first row would be.
a. 8 -4 -2 7 0 3
B. -4 7 8 0 -2 3
C. 4 7 0 8 -2 3
D. 8 -4 -2 0 7 3


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