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vera_ewing

  • one year ago

Graph the first six terms of a sequence where a1 = -10 and d = 3.

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  1. vera_ewing
    • one year ago
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    A.

  2. vera_ewing
    • one year ago
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    B.

  3. vera_ewing
    • one year ago
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    C.

  4. vera_ewing
    • one year ago
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    D.

  5. misssunshinexxoxo
    • one year ago
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    @jim_thompson5910

  6. zzr0ck3r
    • one year ago
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    what is d?

  7. zzr0ck3r
    • one year ago
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    no no. I dont understand the question. But I don't know much about arithmetic sequences. Is that what you are doing?

  8. freckles
    • one year ago
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    is it arithmetic sequence though ? I assume it is because a lot of people use d to mean common difference but I'm pretty sure it is not universal notation.

  9. vera_ewing
    • one year ago
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    Yes it's an arithmetic sequence.

  10. freckles
    • one year ago
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    if it is an arithmetic sequence, the sequence goes like this: \[a_1,a_1+d,a_1+2d,a_1+3d,...\]

  11. freckles
    • one year ago
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    a1 is the first term a1+d is the second term ... a1+(n-1)d is the nth term

  12. freckles
    • one year ago
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    ok so a1=-10 and you know a2=?

  13. freckles
    • one year ago
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    well a1+d isn't -20 Ok I'm going to use the x-axis as the n-axis and the y-axis as the outputs

  14. freckles
    • one year ago
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    a1+d=-10+3=-7

  15. freckles
    • one year ago
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    so graphing (1,-10) and (2,-7)

  16. vera_ewing
    • one year ago
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    Oh so it's A.

  17. freckles
    • one year ago
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    |dw:1436740876427:dw| I ran out of room so I pretending -10 is someone down there

  18. freckles
    • one year ago
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    that is just graphing two points we can continue to plot more and more

  19. freckles
    • one year ago
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    and yes graph A is it

  20. vera_ewing
    • one year ago
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    Thank you!

  21. freckles
    • one year ago
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    np

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