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Mathematics 8 Online
OpenStudy (anonymous):

What is the 7th term of the geometric sequence where a1 = –5 and a5 = –1,280? a –5,120 b 20,480 c –20,480 d 5,120

OpenStudy (anonymous):

start finding the common ratio first .

OpenStudy (anonymous):

I don't know how when there is a gap

OpenStudy (anonymous):

common ratio = -4

OpenStudy (anonymous):

i encourage finding it urself

OpenStudy (anonymous):

it's c -20,480

OpenStudy (anonymous):

common diff is 4 not -4 parth .

OpenStudy (anonymous):

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