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anonymous

  • 4 years ago

Write a formula for this sequence: 8, -1, -10, -19,...

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  1. anonymous
    • 4 years ago
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    It degrees by 9 each time, I call this the slope m = -9 If there was a number before the 8, it would be 8 + 9 = 17, I call this the y-intercept so we have y = -9x + 17 where x represents the placement of the term and y represents the term value

  2. anonymous
    • 4 years ago
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    y=-9x+17, same here xD

  3. anonymous
    • 4 years ago
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    any easy logic?

  4. anonymous
    • 4 years ago
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    did you see my slope logic?

  5. anonymous
    • 4 years ago
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    ya,...but it is graphical

  6. anonymous
    • 4 years ago
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    Sequences: Formula: Un=U1+(n-1)d U1=8 d=-9 Un=8-9(n-1) Un=-9n+17 If you don't understand the formula, maybe try looking at this: http://jwilson.coe.uga.edu/EMAT6680Fa06/Crumley/Sequences/Sequences1.html

  7. anonymous
    • 4 years ago
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    hey thats easy

  8. anonymous
    • 4 years ago
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    was the explanation not needed? :S sry if it was :(

  9. anonymous
    • 4 years ago
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    hey no.....u diid help a lot

  10. anonymous
    • 4 years ago
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    oh, ok :) that's good

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spraguer (Moderator)
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