Tuesday

September 2, 2014

September 2, 2014

Posted by **TTR+S<3** on Friday, May 2, 2014 at 3:36pm.

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.

4. What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? (1 point)

a. 15, 30, 45, 60

b. 15, 16.5, 18, 19.5***

c. 15, 22.5, 33.75, 50.625

d. none of the above

5. What are the first four terms of a geometric sequence if the common ratio is 10 and the first term is 4.5? (1 point)

a. 4.5, .45, .045, .0045

b. 4.5, 9.0, 13.5, 18.0

c. 4.5, 14.5, 24.5, 34.5

d. none of the above

i dunno if #5 is a. or d.

pls help asap!!!!!

thanx in advance

- Ms. Sue? Steve? Reiny? Damon? anyone pls? -
**TTR+S<3**, Friday, May 2, 2014 at 3:47pmsorry to be sooooo impatient

- math -
**Steve**, Friday, May 2, 2014 at 3:53pm#1-4 all ok

#5. What's the trouble? Start with 4.5 and start multiplying by 10's. (D) since you get

4.5 45 450 4500 ...

(a) is common ratio of 0.1

- math -
**TTR+S<3**, Friday, May 2, 2014 at 3:58pmok, i wasnt sure, for a second i thought it was a.

thanks Steve!:)

- math -
**Kuai**, Friday, May 2, 2014 at 4:17pmAll correct except 5

#5 is d

**Answer this Question**

**Related Questions**

7th Grade Math for Steve.. or Ms. Sue - Determine whether each sequence is ...

8th grade math!!!!! :) - Determine whether each sequence is arithmetic or ...

Algebra - Determine whether each sequence is arithmetic or geometric. Find the ...

algebra - Determine whether each sequence is arithmetic or geometric. Find the ...

Algebra - Determine whether each sequence is arithmetic or geometric. Find the ...

pre algebra - solve whether the sequence is arithmetic or geometric if it is ...

algebra - can you check my answers please? What are the first three terms of the...

Maths - Eric thinks of 2 sequences.One is geometric and the other arithmetic....

Maths - 1..The first 2 terms of a geometric progression are the same as the ...

Math - Please help. 51. Solve: 125=(x3)/0.3^-3 a.7 b.14 c.15 d.9 53. 49x-2 = 7Ö ...