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.

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You have a stupid teacher.

Thanks that really helps... Not.

each number is -3 times the previous number
so the next number is -81*-3 = +243

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