
Understanding Sigma Notation and Arithmetic Series

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

Liam Anderson
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in writing a series using sigma notation?
Identify the last term of the series
Determine the pattern in the series
Calculate the sum of the series
Find the common difference
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common difference in the given series?
8
-8
16
-16
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the common difference in an arithmetic series?
Add the first and last terms
Subtract any term from the previous term
Multiply the first term by the common difference
Divide the last term by the first term
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the nth term of the series?
a_n = 72 + 8n
a_n = 64 - 8n
a_n = 72 - 8n
a_n = 64 + 8n
Tags
CCSS.HSA.SSE.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using sigma notation?
To calculate the nth term
To express the sum of a series concisely
To determine the first term
To find the common difference
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the upper limit of the index in sigma notation?
Set the nth term formula equal to the first term
Set the nth term formula equal to the last term
Divide the first term by the common difference
Multiply the last term by the common difference
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the sum of an arithmetic series?
S_n = n/2 * (a_1 + a_n)
S_n = n * (a_1 + a_n)
S_n = n/2 * (a_1 - a_n)
S_n = n * (a_1 - a_n)
Tags
CCSS.HSF.BF.A.2
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