Deriving/Applying the Geometric Series Formula
Algebra · Flashcards · Application
ALGEBRA · FLASHCARDS
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QUESTION
Identify the common ratio
r
r
r
of the geometric sequence
7
,
21
,
63
,
⋯
7,21,63,\cdots
7
,
21
,
63
,
⋯
.
QUESTION
Compute
n
n
n
for a
15
15
15
-year loan with monthly payments.
QUESTION
Identify the number of terms
n
n
n
in the geometric series
5
+
15
+
45
+
135
5+15+45+135
5
+
15
+
45
+
135
.
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ANSWER
n
=
4
n=4
n
=
4
. Count the terms:
5
,
15
,
45
,
135
5, 15, 45, 135
5
,
15
,
45
,
135
gives
n
=
4
n=4
n
=
4
.
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