Exploring Arithmetic Sequences and Series
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Ethan Morris
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required for a sequence to be classified as an arithmetic sequence?
The sequence must alternate between two numbers.
The sequence must have a common difference.
The sequence must include only prime numbers.
The sequence must have a common ratio.
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common difference in the sequence 2, 5, 8, 11, 14, 17, 20?
3
2
4
5
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'D' represent in the formula for finding terms in an arithmetic sequence?
The last term of the sequence.
The sum of the sequence.
The total number of terms in the sequence.
The common difference between consecutive terms.
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the first term of an arithmetic sequence is 5 and the common difference is 6, what is the 12th term?
71
65
77
83
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the arithmetic mean of two numbers?
Multiply the two numbers and divide by two.
Add the two numbers and divide by three.
Subtract the smaller number from the larger and divide by two.
Add the two numbers and divide by two.
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the arithmetic mean of 5 and 9 equal?
8
9
7
6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to find the sum of a finite arithmetic series?
n * (first term - last term)
n/2 * (first term - last term)
n * (first term + last term)
n/2 * (first term + last term)
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