15. Sequences, Series, and the Binomial Theorem

Geometric Sequences

Scelta multipla
Write a formula for the general or $n^{t h}$ term for each geometric sequence.
$12, - 6, 3, - \frac{3}{2}, \dots$
84
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Scelta multipla
Find the common ratio for the geometric sequence.
$0.8 comma 0.12 comma 0.018 comma 0.0027 comma dot dot dot$
94
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Scelta multipla
Find the common ratio for the geometric sequence.
$3 comma 12 comma 48 comma 192 comma dot dot dot$
95
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Scelta multipla
Find the indicated term of the following geometric sequence.
$a_{n} = 4 (0.3)^{n - 1}$
Find $a sub 5$ .
79
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Scelta multipla
Find the common ratio for the geometric sequence.
$eighteen fifths comma six fifths comma two fifths comma 2 over 15 comma dot dot dot$
77
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Scelta multipla
Identify if each sequence is arithmetic, geometric, or neither.
$7 comma 10 comma 16 comma 25 comma 37 comma dot dot dot$
134
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Scelta multipla
Write a formula for the general or $n^{t h}$ term for each geometric sequence.
$0.8 comma 0.32 comma 0.128 comma 0.0512 comma dot dot dot$
74
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Scelta multipla
Write the first four terms of the following geometric sequence.
$a_{1} = - 8, r = - \frac{1}{2}$
89
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Scelta multipla
Find the indicated term of the following geometric sequence.
$a_{n} = 10 (\frac{1}{5})^{n - 1}$
Find $a sub 4$ .
73
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Scelta multipla
Write the first four terms of the following geometric sequence.
$a_{1} = \frac{3}{4}, r = \frac{2}{3}$
89
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Scelta multipla
Identify if each sequence is arithmetic, geometric, or neither.
$5 comma 11 comma 17 comma 23 comma 29 comma dot dot dot$
103
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Scelta multipla
Identify if each sequence is arithmetic, geometric, or neither.
$10 comma 5 comma five halves comma five fourths comma dot dot dot$
106
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