Write an equation to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for the first term.
-25/7, 75/28, -225/112, …
The equation for the sequence can be written as:
(-1)^(n+1) * (3^n) / (2^(n+2))
-25/7, 75/28, -225/112, …
(-1)^(n+1) * (3^n) / (2^(n+2))