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July 23, 2014

Homework Help: 7th Grade Math for Steve.. or Ms. Sue

Posted by Gabby on Sunday, April 28, 2013 at 4:20pm.

Determine whether each sequence is arithmetic or geometric. Find the next three terms.
1.
14, 19, 24, 29, . . . (1 point)

geometric, 34, 39, 44
arithmetic, 32, 36, 41
arithmetic, 34, 39, 44 **
The sequence is neither geometric nor arithmetic.

2.
4, 8, 16, 32, . . . (1 point)

arithmetic, 64, 128, 256
geometric, 64, 128, 256 **
geometric, 48, 64, 80
The sequence is neither geometric nor arithmetic.

3.
81, 27, 9, 3, . . . (1 point)

arithmetic, 0, 3, 6
geometric, 0, 3, 6
geometric, 1, one-third, one-ninth
The sequence is neither geometric nor arithmetic. **

Find the next three terms in the sequence.
4.
3, 12, 21, 30, .... (1 point)

40, 50, 60
38, 46, 54
39, 48, 57 **
36, 32, 39

5.
30, 22, 14, 6, .... (1 point)

3, 12, 21
1, 8, 15 **
1, 2, 3
2, 10, 18


Ok I put 2 stars next to my answer plz tell me if I'm wrong or correct :)

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