#1**+2 **

Explicit rule :

a_{n} = a_{1} + d(n - 1)

Where a_{n} is the nth term ......a_{1} is the first term and d is the common difference [ here = - 6]

So we have

a_{n} = 12 + - 6(n - 1) = 12 - 6(n - 1)

CPhill Dec 14, 2018

#2**+1 **

For my multiple choice it has these as the choices.

an=18+6n

an=6−6n

an=18−12n

an=18−6n

awsometrunt14
Dec 14, 2018