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Anonymous Anonymous
  • 06-05-2016
  • Mathematics
Answered

please help me on this question

please help me on this question class=

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 06-05-2016

cool, this is what I just took


a1=first term
since it starts with -3, a1=3
sub
an=-3r^(n-1)
common ratio is what must be multiplied to get next term
-3 times what is -6
answer is 2
r=2
\(a_{n}=-3(2^{n-1})\)  is equaiton (first option)

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