4. what is the rule of the nth term of the geometric sequence with [tex]a_{4}[/tex] = -18 and the common ratio r = 2? a. [tex]a_{n}=2.25(2)^{n-1}[/tex]b. [tex]a_{n}=2(2.25)^{n-1}[/tex]c. [tex]a_{n}=2(2.25)^{n-1}[/tex]d. [tex]a_{n}=-2.25(2)^{n-1}[/tex]e. [tex]a_{n}=-2.25(-2)^{n-1}[/tex]

Step-by-step explanation:The common ratio is given as 2, so the base of any exponential must be 2 (n...

Mathematics, 27.06.2019 14:30 MyaMya12

4. what is the rule of the nth term of the geometric sequence with $a_{4}$ = -18 and the common ratio r = 2? a. $a_{n}=2.25(2)^{n-1}$ b. $a_{n}=2(2.25)^{n-1}$ c. $a_{n}=2(2.25)^{n-1}$ d. $a_{n}=-2.25(2)^{n-1}$ e. $a_{n}=-2.25(-2)^{n-1}$

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4. what is the rule of the nth term of the geometric sequence with [tex]a_{4}[/tex] = -18 and the co...