marissat2711 marissat2711

20-02-2020
Mathematics

contestada

For each sequence, determine whether it appears to be arithmetic, geometric, or neither.
1. 2, 4, 6, 8, ...
2. 9, 16, 25, 36, ...
3. 64, 32, 16, 8, ...

Respuesta :

MathPhys MathPhys

20-02-2020

Step-by-step explanation:

1. 2, 4, 6, 8, ...

This sequence has a common difference (+ 2). So it is arithmetic.

2. 9, 16, 25, 36, ...

This sequence has neither a common difference nor a common ratio.

3. 64, 32, 16, 8, ...

This sequence has a common ratio (× ½). So it is geometric.

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