anonymous
  • anonymous
I'm doing patterns and they want me to find the next term in the following sequence: 3, -9, 27, -81... I first tried 9. That didn't work so I tried -3. It seemed to come out right but teacher said it didn't. I don't want an answer.. I just need help figuring it out.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
You have a stupid teacher.
anonymous
  • anonymous
Thanks that really helps... Not.
anonymous
  • anonymous
each number is -3 times the previous number so the next number is -81*-3 = +243

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anonymous
  • anonymous
Indeed rim, but his/here teacher said it wasn't -3.
anonymous
  • anonymous
the answer isn't -3 that is the ratio
anonymous
  • anonymous
Oh.. thanks rim182946! That makes sense. I forgot that two negatives multiplied together make a positive. the reason why my teacher said it was wrong was because I answered -243
anonymous
  • anonymous
the answer is 243

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