Question
Write the algebra of 17,20,23,26..Is 400 a term of this sequence
Answers
Reiny
looks like an arithmetic sequence with a = 17 and d = 3
term(n) = a + (n-1)d
400 = 17 + (n-1)(3)
383 = 3n - 3
3n =386
n = 386/3 , which is not a whole number, so NO, 400 is not part of the sequence
term(n) = a + (n-1)d
400 = 17 + (n-1)(3)
383 = 3n - 3
3n =386
n = 386/3 , which is not a whole number, so NO, 400 is not part of the sequence