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Mathematics 9 Online
OpenStudy (anonymous):

Graph the following sequence. Please help! I dont know what to do!

OpenStudy (anonymous):

\[a _{n}=18(\frac{ -3 }{ 2 })^{n-1}\]

OpenStudy (jdoe0001):

pick a few INPUTS "n" values, and to get the OUTPUT "y" values then graph the coordinates

OpenStudy (anonymous):

Huh? If you don't mind, can you further explain?

OpenStudy (jdoe0001):

\(\large{ a_{\color{red}{ n}}=18\left(\frac{-3}{2}\right)^{{\color{red}{ n}}-1} \\ \quad \\ \begin{array}{ccllll} x&y\\ \hline\\ a_{\color{red}{ 1}}=18\left(\frac{-3}{2}\right)^{{\color{red}{ 1}}-1}&18\left(\frac{-3}{2}\right)^0\implies 18\cdot 1\implies 18\\ a_{\color{red}{ 4}}=18\left(\frac{-3}{2}\right)^{{\color{red}{ 4}}-1}&18\left(\frac{-3}{2}\right)^3\implies 18\left(\frac{-27}{8}\right)\implies \frac{243}{4}\\ a_{\color{red}{ 5}}=18\left(\frac{-3}{2}\right)^{{\color{red}{ 5}}-1}& ... \end{array}}\)

OpenStudy (anonymous):

|dw:1393535995123:dw| Sorry if it is a little hard to read. Is this graph correct?

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