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Mathematics 13 Online
OpenStudy (anonymous):

The following is a geometric sequence. 4, 16, 64, 256,… True False

OpenStudy (sandra):

true. you can multiply any number by 4 to get the next

OpenStudy (sandra):

Sequences of numbers that follow a pattern of multiplying a fixed number from one term to the next are called geometric sequences.

OpenStudy (anonymous):

The following is a geometric sequence. -5, 15, 45, -225,… True False

OpenStudy (heisenberg):

false. you could think each term is * -3 of the previous, but 45 * -3 = -135

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

The following is a geometric sequence. -2, -6, -18, -54,… True False

OpenStudy (sandra):

hmmm, well, what do you think?

OpenStudy (sandra):

is there any number you can multiply the previous by to get the next?

OpenStudy (anonymous):

i think it true

OpenStudy (sandra):

great =), and why?

OpenStudy (anonymous):

by 3

OpenStudy (sandra):

correct

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