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Warm UP!

Warm UP!. Find the 15 th partial sum of the series represented by 1, 4, 7, 10, … 2. Find the sum of the first 8 terms of the series represented by 36, 12, 4, …. Summation Notation. AKA Sigma Notation i = Index of Summation (lower limit) n = upper limit

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Warm UP!

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  1. Warm UP! Find the 15th partial sum of the series represented by 1, 4, 7, 10, …2. Find the sum of the first 8 terms of the series represented by 36, 12, 4, …

  2. Summation Notation • AKA Sigma Notation • i = Index of Summation (lower limit) • n = upper limit • an = formula for sequence (arithmetic/geometric)

  3. Sigma Notation “Find the 15th partial sum of the series represented by 3i -2”

  4. Discussion Find the 78th partial sum:

  5. Practice Evaluate the sum:

  6. Practice Evaluate the sum:

  7. Practice Evaluate the sum:

  8. Practice Evaluate the sum:

  9. Practice • Complete the worksheet

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