anonymous
  • anonymous
NEED HELP!!!!! Which of these sequences is a geometric sequence? A. 1, 2, 4, 7, 11, 16, 22, … B. 2, 4, 8, 14, 22, 38, … C. 3, 6, 9, 12, 15, 18, 21, … D. 3, 9, 27, 81, 343, 729, …
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Mehek14
  • Mehek14
which one do you think?
anonymous
  • anonymous
c
Mehek14
  • Mehek14
it is not C because they are not being multiplied by the same number \(3*2 = 6\\ 6*1.5 = 9\) and so on

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Mehek14
  • Mehek14
a geometric sequence is where each term after the first is found by multiplying the previous one by the same number
anonymous
  • anonymous
A! RIGHT
Mehek14
  • Mehek14
\(1*2=2\\2*2=4\\4*2=8~not~7\)
Mehek14
  • Mehek14
the pattern in A is \(1+1=2\\2+2=4\\4+3=7\\7+4=11\)
anonymous
  • anonymous
d!! new I should of whent with my gut
Mehek14
  • Mehek14
yes D they increase by \(*3\) each time
anonymous
  • anonymous
thx I have more questions though can you help me with them
Mehek14
  • Mehek14
sure post separately
anonymous
  • anonymous
k

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