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- 1. Multiple Choice
The formula an = a1 + (n-1) d is used to find the _____ of the sequence.
Last Term
First Term
Means
Rational
- 2. Multiple Choice
An expression denoting the sum of the terms of an arithmetic sequence is called _____.
Arithmetic Means
Arithmetic Extremes
Arithmetic Series
Arithmetic Sum
- 3. Multiple Choice
Arithmetic mean between two terms is also known as _____.
Series
Median
Mode
Average
- 4. Multiple Choice
Solve for the sum of first ten positive even integers.
110
108
104
102
- 5. Multiple Choice
Find the sum of the arithmetic series 1 + 4 + 7 + 10 + 13 + 16.
31
41
51
61
- 6. Multiple Choice
The arithmetic mean between two terms of a sequence is -4. If one of the term is 17, find the other term.
-10
-15
-20
-25
- 7. Multiple Choice
Insert 4 arithmetic means between -1 and 14.
2,6,10,14
2,5,8,11
2,7,12,17
2,8,14,20
- 8. Multiple Choice
Find the 11th term of the arithmetic sequence: 12, 15, 18, 21, ...
28
36
42
54
- 9. Multiple Choice
The 7th term of the arithmetic sequence: 2, 4, 6, 8, ... is _____.
18
16
14
12
- 10. Multiple Choice
Find the sum of the first ten terms of the arithmetic series if the first term is 3 and the tenth term is 39.
210
180
130
110
- 11. Multiple Choice
The arithmetic mean between two terms of a sequence is -5. If one of the term is 10, find the other term.
-19
-20
19
20
- 12. Multiple Choice
The 4th term of the arithmetic sequence is 28 and the 15th term is 105, find the first term (a1) and the common difference (d) of the sequence.
a1 = 7 ; d = 4
a1 = 8 ; d = 7
a1 = 7 ; d = 6
a1 = 7 ; d = 7
- 13. Multiple Choice
Find the arithmetic mean between 6 and 10.
7
8
9
10
- 14. Multiple Choice
Find the first term of an arithmetic sequence with d=-2, n=7, an=-9.
4
3
2
1
- 15. Multiple Choice
A conference hall has a 33 rows of seats. The last row contains 80 seats. If each row has two fewer seats, how many seats are there in the first row?
13
14
15
16
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