savrenae savrenae

15-06-2017
Mathematics

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Indicate the general rule for the arithmetic sequence with a3 = -12 and a8 = -37.

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gallannesophie gallannesophie

15-06-2017

The formula is: first term+common difference (term number-1)

You should subtract -37- -12 and then divide that by 8-3 to find the common difference which is how much you add or subtract from each term to get the next one.

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