Find the next three terms in the geometric sequence -3, 9, -27, 81, ...

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PointXIV asked Jul 11, 2022

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7 votes

Find the next three terms in the geometric sequence -3, 9, -27, 81, ...

Mathematics
high-school

PointXIV asked Jul 11, 2022

by PointXIV

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13 votes

Answer:

...-243, 729, -2187

Explanation:

-3, 9, -27, 81, -243, 729, -2187

Everytime ×(-3)

-3×(-3)=9

9×(-3)=-27

-27×(-3)=81

Etc.

Jevgenij answered Jul 12, 2022

by Jevgenij

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20 votes

-243, 729, -2,187, r= -3

Broesch answered Jul 15, 2022

by Broesch

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