Arithmetic Sequences Answers
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Select all sequences that are geometric.
A
OptionB
OptionC
OptionD
(D) The circumference of a tree trunk grows 2.5 inches each year:E
Option
4
Sequence E has common ratio .
Answer:
-1.5
5
Sequence C has common ratio .
Answer:
0.2
7
Which formula can be used to find the nth term of the sequence 3, 21, 147, … ?
A
OptionB
OptionC
OptionD
Option8
Which formula can be used to find any term, n, of the sequence
A
OptionB
OptionC
OptionD
Option9
Which formula can be used to find the nth term of the sequence 0.8, 0.72, 0.648, … ?
A
OptionB
OptionC
OptionD
Option10
The first term of a sequence is 4 and the common ratio is –2. What is the formula for the sequence based on term number
A
OptionB
OptionC
OptionD
Option11
Given that a sequence is defined by the formula , find the 20th term.
A
a20 = 2,097,152B
a20 = 4,194,304C
a20 = –2,097,152D
a20 = –4,194,30412
a5 =
Answer:
7203
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