Math

Find the second, fourth and eleventh terms of sequence described by each rule.
13. A(n)=2+(n-1)(-2.5)
14. A(n)=-9+(n-1)(3)

I need help please, i am bad at mathh

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asked by Macie
  1. This is pretty easy. put in what term you want for n...say you want the 11th term, then

    13. A(13)=2+(13-1)(-2.5)
    A(13)=2+12*(-2.5)
    A(13)=2-30=-28 check that

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  2. Thank you:)

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    posted by Macie
  3. what about 14?

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    posted by Macie

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