Mathematics, 21.08.2019 12:10 92054ggg
Identify the 12th term of a geometric sequence where a1 = 8 and a6 = -8,192. 134,217,728 33,554,432 -33,554,432 -134,217,728
Answers: 1
![a_1=8 \\ a_6=-8192 \\ \\ a_n=a_1 \times r^{n-1} \\ -8192=8 \times r^{6-1} \\ \frac{-8192}{8}=r^5 \\ -1024=r^5 \\ \sqrt[5]{-1024}=r \\ r=-4 \\ \\ a_{12}=8 \times (-4)^{12-1}=8 \times (-4)^{11}=8 \times (-4194304)=-33554432](/tpl/images/0184/7061/8df49.png)
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Identify the 12th term of a geometric sequence where a1 = 8 and a6 = -8,192. 134,217,728 33,554,432...
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