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Lesson 4-7

Lesson 4-7. Arithmetic Sequences. Definitions. Sequence- A set of numbers in a specific order. Terms- The numbers in a sequence. Arithmetic Sequence- When the difference between successive terms is constant. Common Difference- The difference between terms.

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Lesson 4-7

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  1. Lesson 4-7 Arithmetic Sequences

  2. Definitions • Sequence- A set of numbers in a specific order. • Terms- The numbers in a sequence. • Arithmetic Sequence- When the difference between successive terms is constant. • Common Difference- The difference between terms.

  3. Determine whether each sequence is arithmetic. Justify your answer. • -15, -13, -11, -9, …

  4. Find the next three terms of the arithmetic sequence -8, -11, -14, -17, …

  5. nth Term of an Arithmetic Sequence- an = a1+ (n - 1)d.

  6. Find the 9th term in the arithmetic sequence 7, 11, 15, 19, …

  7. Consider the arithmetic sequence -8, 1, 10, 19, … • Write an equation for the nth term of the sequence. • Find the 12th term in the sequence. • Graph the first five terms of the sequence.

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