Unit 2 : Sequences

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a sequence?
Back
A sequence is an ordered list of numbers that follow a specific pattern or rule.
2.
FLASHCARD QUESTION
Front
What is a common difference in an arithmetic sequence?
Back
The common difference is the constant amount that each term in the sequence increases or decreases by.
3.
FLASHCARD QUESTION
Front
Identify the common difference in the sequence: 97, 86, 75, 64, ...
Back
-11
4.
FLASHCARD QUESTION
Front
Write an explicit formula for the sequence: 5, 8, 11, 14, 17...
Back
a_n = 5 + 3(n - 1)
5.
FLASHCARD QUESTION
Front
Write an explicit formula for the sequence: 2, 8, 14, 20, ...
Back
a_n = 2 + 6(n - 1)
6.
FLASHCARD QUESTION
Front
How do you find the nth term of an arithmetic sequence?
Back
Use the formula a_n = a_1 + (n - 1)d, where a_1 is the first term and d is the common difference.
7.
FLASHCARD QUESTION
Front
If the first term of a sequence is 10 and the common difference is 3, what is the 5th term?
Back
The 5th term is 22.
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