UCSS Math I 2.7.2 Example 2

Write a linear function that corresponds to the following arithmetic sequence: 8, 1, –6, –13, …

  1. Find the common difference by subtracting two successive terms.
  2. Confirm that the difference is the same between all of the terms.
  3. Identify the first term .
  4. Write the explicit formula.
  5. Simplify the explicit formula.
  6. Write the formula in function notation.
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