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Arithmetic Sequences Quiz
By Rebecca Entrekin
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Last updated over 3 years ago
9 questions
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Question 1
1.
What is the common difference of the arithmetic sequence below?
17, -3, -23, -43, ...
Question 2
2.
What would be the next three terms in the sequence 2.9, 3.2, 3.5, 3.8, ...
(separate with commas)
Question 3
3.
Find a
3
in a sequence with a
1
= 20 and a
n
= a
n-1
- 17
Question 4
4.
Find a
5
in a sequence with a
1
= 2 and a
n
= a
n-1
+ 0.4
Question 5
5.
Find the 8th term in a sequence with the explicit formula
a
n
= 20 - 17(n - 1)
Question 6
6.
Find a
21
in the sequence with the explicit formula
a
n
= 2 + 0.4(n - 1)
Question 7
7.
The nth term of an arithmetic sequence with common difference d and first term a1 is:
a
n
= a
1
+ (n-1)d
Find the 22nd term: 5, 2, -1, -4,...
Question 8
8.
Find the 90th term of this sequence:
12, 8, 4, 0,...
Question 9
9.
Find the 15th term: a(1) = 7; d = 3