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anonymous

  • one year ago

What is the next term for the given arithmetic sequence? -3, -2.25, -1.5, -0.75, ...

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  1. Nnesha
    • one year ago
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    first you should common difference : arithmetic seq: when you add or subtract the same value to get the next term so to find common difference you should subtract either 2nd term from 1st term or 3rd term from 2nd term \[\large\rm d=a_2-a_1 , a_3-a_2 ,a_4-a_3\]

  2. Nnesha
    • one year ago
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    a_2 2nd term a_1 first term

  3. anonymous
    • one year ago
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    it's basically is the last two previous term is subtracted

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