
Composite Series and Arithmetic Progressions
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step when dealing with a series that doesn't fit into known categories?
Break it into two sequences
Ignore the series
Convert it into an AP
Convert it into a GP
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common difference in Series A?
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first term of Series A?
2
3
5
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to find the nth term of an AP?
Last term - first term
First term + (n-1) * common difference
First term * common ratio
Sum of first n terms
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the nth term for Series A?
n + 2
1 + n
1 + 2n
2n + 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the sum of an AP?
First term * n
n/2 * (first term + last term)
n * common difference
Sum of all terms
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be done after calculating Series A?
Combine Series A and B
Find the common ratio
Repeat the process for Series B
Ignore Series B
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