Asked by Dee
Write a formula for the general term (the nth term) of the arithmetic sequence shown below. Do not use a recursion formula. Then use the formula for a'n to find a20, the 20th term of the sequence.
a'1 = -13, d = -5
a'1 = -13, d = -5
Answers
Answered by
Steve
well, for any A.P., the nth term, Tn is
Tn = a + (n-1)d
So, plug in your numbers.
Tn = a + (n-1)d
So, plug in your numbers.
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