Arithmetic Sequences
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an arithmetic sequence?
Back
An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant.
Tags
CCSS.HSF.BF.A.2
2.
FLASHCARD QUESTION
Front
What is the common difference in an arithmetic sequence?
Back
The common difference is the constant amount that each term in the sequence increases or decreases by.
Tags
CCSS.HSF.BF.A.2
3.
FLASHCARD QUESTION
Front
How do you find the common difference in a sequence?
Back
Subtract the first term from the second term (d = a2 - a1).
Tags
CCSS.HSF.BF.A.2
4.
FLASHCARD QUESTION
Front
Is the sequence 1, 4, 9, 16 an arithmetic sequence?
Back
No, because the differences between terms (3, 5, 7) are not constant.
Tags
CCSS.HSF.BF.A.2
5.
FLASHCARD QUESTION
Front
Determine if the sequence 17, 9, 1, -7 is arithmetic.
Back
Yes, the common difference is -8.
Tags
CCSS.HSF.BF.A.2
6.
FLASHCARD QUESTION
Front
What are the next three terms in the sequence -33, -24, -15, -6?
Back
3, 12, 21.
Tags
CCSS.HSF.BF.A.2
7.
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.
Tags
CCSS.HSF.BF.A.2
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