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eviant:
PLS HELP!!!! Find the common ratio of the sequence. –172, –86, –43, –21.5, . . .
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eviant:
@Shadow @563blackghost
eviant:
@Elsa213
NOCH:
To find the common ratio, divide the second term by the first term. -86/-172 = 1/2 so 1/2 is your common ratio
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