Which term of the sequence 20,19 1/4,18 1/2,17 3/4,…is the first negative term?

Question

Which term of the sequence 20,19 1/4,18 1/2,17 3/4,…is the first negative term?

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Adalynn 3 weeks 2021-10-05T05:54:27+00:00 1 Answer 0 views 0

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    2021-10-05T05:55:31+00:00

    Answer:

    The first negative term is -1/4 and it is the 28th term

    Step-by-step explanation:

    a=20

    d=19 1/4-20=77/4-20=-3/4

    therefore

    a30=20+29(-3/4)=20-(87/4)=-7/4

    a28=20+27(-3/4)=20-(81/4)=-1/4

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