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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.

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

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38 answers
  1. sorry to be sooooo impatient :(

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  2. #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

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  3. ok, i wasn't sure, for a second i thought it was a.
    thanks Steve!:)

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  4. All correct except 5

    #5 is d

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  5. a
    b
    c
    d
    c
    d
    e
    b
    e
    a
    a
    b
    c
    c
    d
    b
    thats all i know on the math unit test

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  6. C
    B
    C
    C
    D

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  7. yes lane is right

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  8. C
    B
    C
    B
    D

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  9. Mr.Flitcher is right

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  10. C
    B
    C
    C
    D

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  11. C B C C D is right for 'Lesson 1: Sequences CE 2015
    20082Y0 Math Grade 8 B Unit 3: Functions'
    Sequences Quick Check

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  12. The fourth one is b

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  13. For those of you working on Unit 5 Functions Lesson 1 Sequences, the answers are:

    1. C
    2. B
    3. C
    4. B
    5. D

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  14. 4 is B for me but for my brother it was C. I think they have gotten even trickier by changing up quick checks now! Sad. They will pay -_-

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  15. Cadence is right

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  16. Um the correct answers are c,b,c,b,d... Lane was wrong on number 4.. Its not C... Its b.. Good work though.

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  17. For Lesson 1: Sequences Essential Algebra Readiness (Pre-Algebra) B Unit 5: Functions the answers are:
    C
    B
    C
    C
    D
    I just took it with cbcbd and got 4/5..

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  18. 4 is b not c but other than that its all correct

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  19. AS OF APRIL 24 2019 THE ANSWERS TO Lesson 1: Sequences CE 2015
    Pre-Algebra B Unit 5: Functions ARE CBCBD

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  20. Mr. Flitcher is correct I got an 80% because I listened to Cadence

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  21. Okay instead of just giving the letters right out the answers. Got it, so I got an 80% with idk whos answers(Thanks whoever was wrong, you made me second guess my answers). I would of gotten a 100 had I not second guessed myself. So here are the right (written) answers. So as of 2019.
    1.C- Arithmetic, 34, 39, 44
    2.B- Geometric, -64, 128, -256
    3.C- Geometric, 1, 1/3, 1/9
    4.B- 15, 16.5, 18, 19.5
    5.D- None of the above
    Here are the right answers as of 2019.

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  22. On number 4 for some people its B and for some its C.

    as of 2020 is is B- 15,16.5, 18, 19,5
    Just add 1.5 to the other number and you will get your answer. Its an arithmetic sequence so you add. The question also tells you what to add so its pretty simple, but I understand how you could get confused.

    I hope I helped you. Also, try not to rely to much on this website, because if you do you might fail the STAAR and have to redo your current grade. Use it to check your answers (like me) or to finish the last three questions on an overdue test (like me) but please don't use this to cheat on 100% of your lessons because it will hurt you in the long run.

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  23. Ignore those 5 thumbs down im from connexus and Mr.Flitcher is correct and are u good emo4life lol i dont know if to like yor comment or dislike

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  24. if yours match up then...

    1. C- arithmetic, 34, 39, 44
    2. B- geometric, -64, 128, -256
    3. C- geometric, 1, 1/3, 1/9
    4. B- 15, 30, 45, 60
    5. D- none of the above

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  25. Cadence is 100% 5/5 correct!!

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  26. The correct answers are
    1. C
    2.B
    3.C
    4.B

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  27. @that guy in a dog costume
    Your answers are correct but number 4 doesn’t match the answer choices. The letters are correct but the word labels are not matched. Only number 4 is wrong tho😂

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  28. the answers are:
    1.
    C- 34,39,44
    2.
    B- -64 128 -256
    3.
    C- 1 1/3 1/9
    4.
    B- 15,16,18,19.5
    5.
    D- none of the above

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  29. Cbcbd

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  30. for me it was cbcdb
    if your 4th question was: what are the first four terms of the arithmetic sequence etc... then that answers are cbcdb.

    ur welcome, and I agree with jj

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  31. I figured I'd just fail for y'all so here are the real answers
    1 38,49,60
    2 768 bulbs
    3 -4,-2,2,8
    4 C
    5 C
    6 12
    7 E(m)=12m
    8 D
    9 B
    10 B
    11 A
    12 B
    13 B
    14 D
    15 D
    16 D
    The rest is short answers
    For 2021 Have a good day ig

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  32. @that guy in a dog costume. number five was incorrect for me, it was
    B. 15, 16.5, 18, 19.5

    not none of the above!!!! maybe, every thing else was right though so thanks!!

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  33. 1.c
    2.b
    3.c
    4.b
    5.d
    I just took the quiz 100%correct

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  34. CBCBD is correct for Connexus academy 8th grade students Unit 2 Lesson 1 functions and sequences

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  35. @Honors Student is correct i tried there answers and got a 100%

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  36. C
    B
    C
    B
    D is still correct in 2022

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  37. Ms.flitcher is correct but four is c not b so i got 4/5 but thanks

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  38. What is :( talking about?

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