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EX 5D

EX 5D. RECOGNITION OF GEOMETRIC SEQUENCES. IDENTIFYING GEOMETRIC SEQUENCES. A sequence is an ordered set of numbers.

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EX 5D

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  1. EX 5D RECOGNITION OF GEOMETRIC SEQUENCES

  2. IDENTIFYING GEOMETRIC SEQUENCES A sequence is an ordered set of numbers. A geometric sequence is one in which the first term is multiplied by a number, known as the COMMON RATIO, to create the second term which is multiplied by the common ratio to create the third term, and so on.

  3. Let’s have a look….

  4. EXAMPLES

  5. IMPORTANT! In a sequence that grows and where each term is positibe, the r value is GREATER than 1. In a sequence that decays and where each term is positive, the r value is between 0 and 1. In a sequence like 2, 2, 2, 2, 2….the r value is equal to 1. In a sequence like 2, -6, 18, -54…the r value is less than -1 In a sequence like -54, 18, -6, 2…the r value is between -1 and 0.

  6. CLASSWORK/HOMEWORK Ex 5D pg 221 Q’s 1(LHS), 2, 3(LHS), 4, 5(LHS), 6, 7(LHS), 8, 9(LHS), 10, 11(LHS), 12, 14, 15, 16, 17

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