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Match the sequence (term) with the correct type of sequence (definition). (4 points)


1. 128, 32, 8, 2, ...
2. 1, 3, 9, 27, ...
3. 5, 10, 15, 20, ...
4. 20, 17, 14, 11, ...
a. Arithmetic, common difference is 3
b. Geometric, common ratio is 0.25
c. Geometric, common ratio is 3
d. Arithmetic, common difference is 5

Respuesta :

carlosego
To solve this problem you must apply the proccedure shown below:

 1. You have:

 1) 128, 32, 8, 2 ,..

 32/128=0.25
 8/32=0.25
 2/8=0,25

 b. Geometric, common ratio is 0.25

 2) 1, 3, 9, 27,...

 3/1=3
 9/3=3
 27/9=3

 c. Geometric, common ratio is 3

 3) 5, 10, 15, 20,...

 10-5=5
 15-10=5
 20-15=5

 d. Arithmetic, common difference is 5.
 
 4) 20, 17, 14, 11,...

 a. Arithmetic, common difference is 3
 
haileybarth

Answer:

To solve this problem you must apply the proccedure shown below:

1. You have:

1) 128, 32, 8, 2 ,..

32/128=0.25

8/32=0.25

2/8=0,25

b. Geometric, common ratio is 0.25

2) 1, 3, 9, 27,...

3/1=3

9/3=3

27/9=3

c. Geometric, common ratio is 3

3) 5, 10, 15, 20,...

10-5=5

15-10=5

20-15=5

d. Arithmetic, common difference is 5.

4) 20, 17, 14, 11,...

a. Arithmetic, common difference is 3

Step-by-step explanation:

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