Write an equation to represent the N'th term of the sequence (2,-1.-4,-7,...)

a(n) = 5 - 3n

the sequence has:

a1 = 2

a2 = -1

a3 = -7

we can see that: a2 - a1 = a3 - a2 = -3

=> the sequence is a  arithmetic sequence

=> the distance between the numbers is d = -3

because this sequence is a  arithmetic sequence

=> a(n) = a1 + (n - 1)d = 2 + (n - 1).(-3) = 5 - 3n

Step-by-step explanation:

step-by-step explanation:

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2.83941151 would be the answer you're looking for! : )