Choose the letter corresponding to the correct.
1. If you are to write the next term of the sequence 12,5,-2,-9,...what will it be?
a. -7
b. -11
c. -16
d. -26
2. Which of the following is a finite sequence?
a. 1, 2, 3, 4,...5
b. 2, 4, 8, 16, 32,...
c. 3, 9, 27, 81
d. 6, 2, -2, -4, ...
3. The pattern of a certain sequence is "multiply by -3". Which of the following sequences follows the pattern?
a. 81, 27, 9, 3, 1
b. -1, 3, -27, 81
c. 3, 9, 27, 81
d. -2, -6, -18, -54
4. Which of the following completes the sequence 64, __, 16, 8, __?
a. 42 and 2
b. 40 and 4
c. 32 and 6
d. 32 and 4
5. Give the common difference of the arithmetic sequence 0.25, 0.4, 0.55, 0.7.
a. 0.65
b. 0.73
c. 0.81
d. 0.85
6. Which rule is applied in getting the values of a in the table below?
a. a = n–1
b. a = 2n - 3
c. a = n2 - 1
d. a =3n - 2
7. Which of the following has a constant difference?
a. 2, 6, 18, 54
b. 16, 25, 36, 49
c. -10, 6, 16, 20, 30
d. 35, 23, 11, -1
8. The first term of a sequence is 5. Which of the following patterns would make the sequence arithmetic?
I. Add 4 to the previous term.
Il. Multiply 4 to the previous term.
lll. Subtract 4 from the previous term.
lV. Divide the previous term by 4.
a. l only
b. l and Il only
c. l and lll only
d. Il and lV only
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Step-by-step explanation:
1. C. - 16
2. C. 3, 9, 27, 81
3.
4. D. 32 and 4
5. the common difference is 0.15
6.
7. D. 32, 23, 11, -1
8. C. I and III only