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lara31 [8.8K]
3 years ago
11

Evaluate A2 for A = -4

Mathematics
2 answers:
ratelena [41]3 years ago
6 0
The answer is -8 because -4x2 is -8
In-s [12.5K]3 years ago
5 0
The answer would be -8. heroes how to solve it (-4)2=-8
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Write the explicit formula for the geometric sequence. Then find the fifth term in the sequence.
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If you make A1 the first term in the sequence you must use (n-1) in the explicit formula. If you go backwards in the sequence to find A0 = 2 then you would use n.

The don't have A0 = 2 listed as an option so we use A1 = -4 and (n-1) terms.

An = -4(-2)^(n-1)

Solving for the 5th term A5, use n = 5

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So the answer is B.

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