Determine whether each sequence is an arithmetic sequence: 4, 9, 14, 19...

Kamila Frye 2022-10-24 Answered
Determine whether each sequence is an arithmetic sequence: 4, 9, 14, 19...
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Answers (1)

Marlene Welch
Answered 2022-10-25 Author has 23 answers
the standard arithmetic sequence is
a,a+d,a+2d,a+3d,......,a+(n−1)d
where a is the first term and d is the common difference
x d = a 2 - a 1 = a 3 - a 2 = a n - a n - 1
here d=9−4=14−9=19−14=5
there is a common difference of 5 between the terms
the given terms form an arithmetic sequence
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