Answer:
-3
Step-by-step explanation:
to get the common ratio of a GEOMETRIC SEQUENCE we need to divide the second term to the first term, or the third term to second term.
-9 ÷ 3 = -3
27÷ (-9) = -3
so the Common ratio of the GEOMETRIC SEQUENCE 3, -9, 27, -81 is -3
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Answers & Comments
Answer:
-3
Step-by-step explanation:
to get the common ratio of a GEOMETRIC SEQUENCE we need to divide the second term to the first term, or the third term to second term.
-9 ÷ 3 = -3
27÷ (-9) = -3
so the Common ratio of the GEOMETRIC SEQUENCE 3, -9, 27, -81 is -3