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Lesson 1-9 Algebra Arithmetic Sequences

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Lesson 1-9 Algebra Arithmetic Sequences Powered By Docstoc
					Lesson 1-9 Algebra:
Arithmetic Sequences
       Arithmetic Sequences
  A Sequence is an ordered list of
   numbers.

  Each number in a sequence is called
   a term. Each term in a sequence has
   a position.
Position   1   2   3    4    5   6    7
Term       4   9   14   19
 In Arithmetic Sequence, each term is found
  by adding the same number to the previous
  term. This is the relationship between
  consecutive terms.

 Examples (from textbook pg 60-61)
 Instructions: Describe the relationship
  between the terms in each arithmetic
  sequence. Then write the next three (3)
  terms.
 #2.) 4, 9, 14, 19, ___, ___, ___


 #11) 33, 38, 43, 48, ___, ___, ___
  Geometric Sequence
 In Geometric Sequence, each term is
  found by multiplying the previous term by
  the same number.
 5, 25, 125, 625, ____

 Instructions: Write the next three
  terms in the geometric sequence

 #23) 1, 4, 16, 64, ____, ____, ____
 Instructions: Find the 100th number in the
  sequence. Make a table and find the
  equation or Nth term used
 #27) 12, 24, 36, 48     ________
 Position       Operation      Term Value

       1                           12
       2                           24
       3                           36
       4                           48
      100
Finding the Nth term…..
                   Position   Operation   Term Value
  Instructions:
                      1                       3
   Find the next
                      2                       5
   three terms
   in the             3                       7
   sequence           4                       9
   and then           5                      11
   find the           6                      13
   expression         7
   or nth term.       8
                      9

				
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