Mathematics

1st -

9thgrade

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arithmetic sequence 3

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13 questions

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  • 1. Multiple Choice
    3 minutes
    1 pt

    Find the sum of the arithmetic series described:

    2 + (-2) + (-6) + (-10)..., S10

    -160

    -328

    -320

    -336

  • 2. Multiple Choice
    3 minutes
    1 pt

    The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

    550

    638

    610

    288

  • 3. Multiple Choice
    30 seconds
    1 pt

    Evaluate: x=211(5x2)\sum_{x=2}^{11}\left(5x-2\right)  

    305

    503

    53

    8

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