2.3 Algebra 1 Recap
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an explicit formula for a sequence?
Back
An explicit formula defines the nth term of a sequence directly in terms of n, allowing you to calculate any term without needing to know the previous terms.
2.
FLASHCARD QUESTION
Front
What is a recursive formula for a sequence?
Back
A recursive formula defines each term of a sequence based on the previous term(s), requiring knowledge of earlier terms to find later ones.
3.
FLASHCARD QUESTION
Front
Given the sequence: 25, 21, 17, 13,... Write the explicit equation that models the sequence.
Back
a_n = -4n + 29
4.
FLASHCARD QUESTION
Front
What are the next two terms of the sequence 4, 7, 10, 13?
Back
16 and 19
5.
FLASHCARD QUESTION
Front
Write the recursive formula for the sequence: 6, 4, 2, 0, ...
Back
a_1 = 6, a_n = a_{n-1} - 2
6.
FLASHCARD QUESTION
Front
Find the 32nd term of the sequence: 9, 4, -1, -6, -11, ... using the explicit formula.
Back
-146
7.
FLASHCARD QUESTION
Front
What is the formula for the nth term of a geometric sequence?
Back
The nth term of a geometric sequence can be found using the formula a_n = a_1 * r^(n-1), where a_1 is the first term and r is the common ratio.
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