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anonymous

  • one year ago

How do i Write the explicit formula that represents the geometric sequence -2, 8,-32,128

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  1. triciaal
    • one year ago
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    nor sure what the explicit formula is but for a geometric sequence the formula is ar^n where a is the first term and r is the common ratio n is the nth term in the series

  2. triciaal
    • one year ago
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    here you have 4 terms r is the ratio between 4th and 3rd same as between the 3rd and 2nd

  3. triciaal
    • one year ago
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    |dw:1441774877298:dw|

  4. triciaal
    • one year ago
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    |dw:1441775153877:dw|

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