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Here is a question that I have.

 

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

 

I have tried finding the difference between terms and number of terms between the 5th and 32nd terms. But it was wrong, so I think I made a computational error. Please help!

 

Thanks!

 Jul 12, 2021
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The first term is -31/9 and the common difference is 236/9, so the 23rd term is -446/9.

 Jul 12, 2021

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