Question

Find the indicated term of the arithmetic sequence.
The sequence is -4, -7, -10… Find term a41

Answer 1

a=first term = -4

d= common difference = -3

Tn = a +(n-1)d = -4 +(n-1)(-3)

Tn = -4 -3n +3 = -1 -3n

Answer 2

then we want the 41st term

so sub n=41

Answer 3

what he said
side note:
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Answer 4

T(41) = -1 -3(41) =-124

Answer 5

so thats the answer -124?