Understanding Finite Geometric Series
Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Ethan Morris
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the sum of the first n terms of a finite geometric series?
First term times 1 minus the common ratio to the nth power, all over 1 minus the common ratio
First term plus the common ratio to the nth power
First term divided by the common ratio to the nth power
First term times the common ratio to the nth power
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the given series, what is the first term?
2
99
3
1
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common ratio in the series discussed?
0
3
2
99
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many terms are there in the series if it starts at k=0 and ends at k=99?
101
100
99
98
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the number of terms in the series 100 instead of 99?
Because the series skips some terms
Because the series ends at k=100
Because the series starts at k=1
Because the series starts at k=0
Tags
CCSS.HSA.SSE.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expression for the sum of the series after applying the formula?
2 * 1 - 3 to the 100th power
2 * 3 to the 100th power minus 1
1 minus 3 to the 100th power
3 to the 100th power minus 1
Tags
CCSS.HSA.APR.D.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the denominator in the sum formula?
3 - 1
1 - 3
-2
2
Tags
CCSS.6.EE.A.2C
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