
Understanding Arithmetic Sequences and Series

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Medium
Standards-aligned

Lucas Foster
Used 2+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common difference in an arithmetic sequence?
The sum of all terms
The product of all terms
The difference between consecutive terms
The first term of the sequence
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the n-th term of an arithmetic sequence?
By subtracting the common difference from the first term
By adding the common difference n times to the first term
By dividing the first term by n
By multiplying the first term by n
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an arithmetic series?
A sequence of numbers with a constant ratio
The sum of an arithmetic sequence
The product of an arithmetic sequence
A sequence of numbers with a constant difference
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of reversing the order of terms in an arithmetic series?
To determine the first term
To identify the common difference
To simplify the calculation of the sum
To find the product of the series
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many times is the expression '2a + (n-1)d' added in the sum formula derivation?
2n times
n times
n-1 times
n+1 times
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the sum of an arithmetic series?
n times the common difference
n times the last term
n times the first term
n times the average of the first and last terms
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the sum formula be simplified using the first and last terms?
By dividing the first term by the last term
By multiplying the first term by the number of terms
By averaging the first and last terms and multiplying by the number of terms
By subtracting the last term from the first term
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