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Mathematics 17 Online
OpenStudy (anonymous):

what are the next three terms of the sequence 1 -3 9 -27?

OpenStudy (the_fizicx99):

1 * -3 = ?

OpenStudy (anonymous):

1,-3,9,-27

OpenStudy (the_fizicx99):

Fine, what is the common ratio of this sequence?

OpenStudy (anonymous):

3?

OpenStudy (the_fizicx99):

Close, what is 9/-3 = ?

OpenStudy (anonymous):

-3

OpenStudy (the_fizicx99):

Yup :3 simple method is by taking -27 and multiplying that by -3, then that result and multiplying it again by -3

OpenStudy (the_fizicx99):

Or use the formula :o

OpenStudy (anonymous):

thank you i got my answer :D

OpenStudy (the_fizicx99):

You're welcome :) What did you get?

OpenStudy (anonymous):

81, -243, 729

OpenStudy (the_fizicx99):

Yes :P

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