Determine if the sequence is geometric. If it is, find the common ratio, the 8th term, and the explicit formula. 2) -4, 16, -64, 256, ... A) Common Ratio: r = -4 a = 65536 Explicit: a = -4 (-4)"-1 B) Common Ratio: r = 2 a = -384 Explicit: a = -3-2"-1 C) Common Ratio: r = - 2 3 128 Explicit: a (9)** = -3. D) Common Ratio: r = 2 a = -512 Explicit: a = -4.2"-1 n

Calculus: Early Transcendentals
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Chapter1: Functions And Models
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Determine if the sequence is geometric. If it is, find the common ratio, the 8th term, and the explicit formula.
Determine if the sequence is geometric. If it is, find the common ratio, the 8th term, and the
explicit formula.
2) -4, 16, -64, 256, ...
A) Common Ratio: r = -4
as = 65536
Explicit: a = -4 (-4)"-1
B) Common Ratio: r = 2
a = -384
Explicit: a = -3.2"-1
C) Common Ratio: r =
2
a = -
1
3
128
n-1
Explicit: a = -3.
D) Common Ratio: r = 2
a = -512
Explicit: a = -4.2"-1
Transcribed Image Text:Determine if the sequence is geometric. If it is, find the common ratio, the 8th term, and the explicit formula. 2) -4, 16, -64, 256, ... A) Common Ratio: r = -4 as = 65536 Explicit: a = -4 (-4)"-1 B) Common Ratio: r = 2 a = -384 Explicit: a = -3.2"-1 C) Common Ratio: r = 2 a = - 1 3 128 n-1 Explicit: a = -3. D) Common Ratio: r = 2 a = -512 Explicit: a = -4.2"-1
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